How To Spot And Treat Common Betta Fish Diseases

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Bluel beta fish swimming in tankKeeping a Betta fish is one of the more colorful experiences in the fish keeping world but it can also be particularly challenging. Unlike other pets, keeping a Betta fish can be frustrating because your fish cannot communicate its needs.

There are a number of common Betta fish diseases. Find out how they can be identified and what should be done to treat them.

Timing Is Everything

There are a wide variety of Betta fish diseases and while it may seem to the untrained eye that the symptoms of these diseases are similar, often times they can be distinguished when you know what you are looking for. Becoming educated in regards to the health of your Betta is one of the biggest steps that you must take in order to ensure that your fish remains healthy.

Something else that is just as crucial however, is timing. Knowing what to look for when your Betta fish is feeling under the weather is important but so too is having the appropriate medications on hand in order to treat your Betta as soon as possible. Many of the common Betta fish diseases are fast-moving and it is important that once you ascertain that your Betta is in need of medical care, that you have the appropriate treatment on hand in order to stop the progression of the disease in question. Timing is everything when it comes to treating any Betta fish disease.

Feel free to read the entire article or jump to the section below:

Betta Fish First Aid Kit | Betta Fish TreatmentsRecognizing Signs Of A Sick Betta FishIdentifying Common Betta Fish Diseases | Prevention

Create Your Betta Fish First Aid Kit

Like most pet owners you are likely to already be attached to your Betta fish which means that you are prepared to care for it like you would any other pet, this means that you should always have a first aid kit handy for your fish. It may sound absurd to create a first aid kit for a Betta fish but the truth of the matter is that the medications most often required to treat Betta fish diseases are not available in most pet stores.

If the time comes that your Betta fish is ill we have already discussed the importance of timing and this means that mail order medication for your fish’s treatment may take too long to arrive in order to treat your fish before it expires. As a responsible Betta fish owner you should always have a basic first aid kit available to treat the most common Betta fish diseases.

How to Choose the Best Betta Fish Tank

What Should Be Included In A Betta First Aid Kit?

To make things simple a number of Betta fish experts actually sell pre-made Betta fish first aid kits that can be purchased online; however, if you choose to put together your own first aid kit you should think about including the following products:

BettaZing Or Bettafix

Editor’s Pick

BettaZing and BettaFix are anti-parasitic, anti-fungal and anti-protozoan medications that are great when used as a preventative medication to prevent the development of clamped fins or velvet fins. This medication should be applied as a preventative measure any time you acclimate a Betta to a new environment or anytime you add a new Betta fish to your tank.



Editor’s Pick
Kanaplex Branded KanamycinKanaplex Branded Kanamycin

Most top of the line fish stores will carry Kanamycin, an antibiotic that is most commonly used for more serious bacterial infections that your Betta fish may contract.


Tetracyclin is available from a number of pet stores and is also used as an antibiotic to treat bacterial infections. Where Kanamycin is used to treat more serious bacterial infections, Tetracyclin is used more often for less serious bacterial infections.


Ampicillin is another antibiotic worth carrying in your Betta fish first aid kit and is available in specialty fish stores as well as online. Ampicillin is used for gram positive infections, some gram negative infections and pop-eye.

Jungle Fungus Eliminator

Editor’s Pick
Jungle Fungus ClearJungle Fungus Clear

Jungle Fungus Eliminator is an anti-fungal treatment that can be purchased online or from fish specialty stores. This treatment is generally used for a number of fungus infections and is particularly useful to keep on hand for any Betta fish owner.

Maracin 1 and Maracin 2

Maracin 1 and Maracin 2 come in hard tablet form and are both anti-fungal and antibiotic treatments. These medications are utilized when your Betta fish has contracted a mild infection like fin rot but they are not as effective as some of the other medications listed when it comes to the more serious infections.

How To Treat A Sick Betta Fish

Chris Simms from Aquatic Central in San Francisco, CA, explains how to treat a sick Betta fish. You need to identify the illness (fungal ailment) and administer a treatment (curing the fungus).

Recognizing Signs Of A Sick Betta Fish

Green betta fish swimmingThe first step in treating any Betta fish disease is to recognize when a Betta fish is sick, this can be particularly difficult due to the limited communication that Betta fish can provide to their owners.

There are, however, behaviors that healthy Betta fish exhibit and the first sign of a potentially sick Betta fish is a change in these behaviors. Below are some signs that you should watch for that may suggest a sick Betta fish:

  • A fish that stays at the surface of the water in the corner of its tank.
  • A fish that lies at the bottom of the tank and only comes to the surface to breathe.
  • A fish that does not eat, does not show an “excited” reaction to being fed or a fish that spits out its food. It should be noted that some Betta fish pellet food can come in pellets that may be too large for your Betta fish, a healthy Betta may spit these out and wait for them to become soggy before trying to consume them a second time – this does not indicate a sick fish.
  • A fish that appears to have “lost” its color or appears to be a much less vibrant colorful shade.
  • A fish that appears to be scratching itself by rubbing against items in its tank.
  • A fish that appears to have unusual sores or markings on its body that were not present previously.
  • A fish whose tail or fins are no longer spread out and have the appearance of being unhealthy, closed or clumped together.
  • A fish with gills that do not close completely due to inflammation, inflammation can also cause the gills to appear red in color.
  • Swollen or protruding eyes.
  • A swollen stomach or “hollow” appearing stomach.
  • Raised scales that give your Betta the appearance of having a prickly texture.

A Betta fish that exhibits any of these signs should always be isolated from any other fish if it is being kept in a community aquarium because a number of common Betta fish diseases can be easily communicated from one fish to another. Having a disease pass from one fish to another is not only unfortunate for the fish involved and more expensive to treat but it is also a way for the disease to be contracted a second time by a fish that has already been effectively treated.

If you have a Betta fish that has become ill that is kept in a community tank make sure that you do keep an eye on other fish in the tank for any signs of the disease in question being contracted by them.

ALWAYS wash your hands with an antibacterial soap if you handle a fish that has any type of illness or disease to ensure that you do not spread the disease from one fish to another – not to mention that this is the sanitary thing to do whenever you handle your fish.

Identifying Common Betta Fish Diseases

Only a licensed veterinarian or fish expert can identify particular Betta fish diseases accurately in order to treat them; however, a number of Betta fish diseases are so common that they can be readily identified by someone who has experienced them before or knows what to look for. With that said however, this information should not be taken as professional advice or utilized for diagnosis to treat a sick Betta fish.

Fin Rot And Tail Rot

Fin rot and tail rot are often classified together however, they may or may not both occur together. Tail or fin rot tend to be contracted by a Betta fish through contact with dirty water so it is important to ensure that you maintain a clean and healthy Betta fish tank. Fortunately for the Betta fish that contracts tail or fin rot damage done to the fins or tail is repairable if treatment is issued in a timely manner and fin and tail tissue will regrow (although it may not be as resplendent as it previously was.)

A fish with fin or tail rot will exhibit a variety of symptoms but the most obvious are clumped fins or tail tissue or fin or tail tissue that appears to be disintegrating and disappearing little by little. This type of Betta fish disease should be treated with Ampicillin or Tetracycline and your Betta fish tank should be thoroughly cleaned and clean water should be used in the new tank. Ensure to treat the new water before filling the tank.

A fungus eliminator should also be utilized in the new tank to ensure that your Betta begins recovery. It is important to be consistent with tank cleaning and water change when treating fin or tail rot, this should be done once every three days or so with medication being added with each water change. Once your Betta fish no longer shows signs of losing tissue on their tail or fins and begins to show signs of new growth you can resume a normal tank cleaning schedule.


Ich may sound funny but there is nothing funny about this parasite! This parasite is most commonly contracted by your fish through frozen live food and most commonly presents as small white dots on your fish’s body, head, tail and fins. Ich can be prevented by ensuring that you add a small amount of aquarium salt and Aquarisol to your Betta fish tank when maintaining your tank; however, if your fish does contract this parasite it should be treated quickly. Fishes with ich not only present with small white dots but they also appear to be scratching themselves against items in the tank and may become less active than normal. Ich is an extremely contagious parasite and if one fish in a community tank has it there is an extremely high likelihood that other fish have it or will develop it so you should always treat the entire tank. Ich is most commonly treated by raising the temperature of the Betta fish tank; however, this can only be successfully done in tanks lager than 5 gallons since smaller tanks can quickly overheat killing your Betta fish. In larger tanks, temperatures of 85 degrees will quickly kill off the ich parasite. If heating the tank is not an option because of a smaller tank you should completely clean your tank, replace all water in the tank and treat with Aquarisol and aquarium salt. It is also commonly recommended to put your Betta fish in a holding container after cleaning the smaller tank and raising the temperature of the water to 85 degrees to kill any remaining parasites without risking overheating your Betta fish.

Fungal Infections

Fungus is common in tanks that are not treated with salt and Aquarisol when water is added. Once a single fish in a community tank contracts a fungal infection there is a high likelihood that another fish may also contract the fungal infection so it should be treated quickly when spotted. Betta fish that have fungal infections can appear to be a much more pale hue of their normal color, they may not be as active as they usually are and their fins may have a clumped appearance. A fish with a fungal infection can have patches of a white cotton-like appearance on their body. Eliminating fungus should begin with a full water change and treatment of the new water with a fungus eliminator, this type of medication will cause the water to change to a gold-like color, this is normal. Every three days the water in the tank should be replaced and a new dose of fungus eliminator should be administered. Once all visible signs of the fungal infection have disappeared ensure that you treat your tank with BettaZing or Bettamax to treat any trace signs of the fungal infection that may remain.


Popeye is one of the more noticeable diseases in Betta fish because as its name suggests, a fish with this disease will appear to have one or both eyes protruding from the head. Most commonly popeye develops from dirty tank water because it is a bacterial infection; however, popeye can also be the result of a much more serious illness. Most commonly when popeye does not respond to treatment it is a symptom of a much more serious disease like tuberculosis which is incurable and your Betta fish will be unable to survive. For the fish that has contracted popeye as a result of dirty tank water however, treatment can quickly remedy the bulging eyes that result from this disease. Treatment for popeye should be immediate in order to prevent any long-term damage or loss of sight in your fish. To treat popeye clean your tank and do a complete water change and add Ampicillin to the clean water. Clean water should be changed every three days and medication should continue to be added until one week after your fish’s popeye symptoms disappear.

Advanced Fin And Body Rot

Advanced fin and body rot is a case of regular fin rot that goes on for far too long. When regular fin rot is not treated or when it progresses extremely quickly it can be extremely difficult to stop. A fish with this disease will experience a loss of fin and body tissue as the rot progresses. Once the rot progresses on to body tissues there is very little that you can do to help your fish as the bacteria quickly eats your fish alive. In cases of extreme fin or body rot you may begin to see small bones protruding from your fish’s body. If the affected fish is not treated in time they will die quickly but this death likely causes the fish to suffer a lot of pain. It is occasionally possible to control the progress of advanced rot and the fish can continue to live while being treated.

Stopping advanced fin and body rot is difficult and you will need to completely change your fish’s water and combine a number of medications designed to treat fin rot. In cases of severe rot you may want to over medicate the water and then continue cleaning your fish’s water every three days adding new medication each time. Once your fish shows new growth in the fins and on the body you can switch to a medication designed to prevent bacteria from growing in the water again.


Velvet is a parasite that can be prevented completely by adding aquarium salt and water conditioner to your fish’s tank. Velvet is particularly contagious and if you have shared aquarium nets between tanks and have a case of velvet, you will want to ensure that you treat all of your fish for velvet. Velvet is completely treatable but it can be difficult to see in your fish. In order to check your fish for velvet you will want to shine a flashlight on your betta and if they have velvet you will see a fine mist over their body that looks gold or rusty in color. Betta fish that have velvet will clamp their fins to their body, will lose its color, will not eat normally and they will scratch against the gravel of the tank.

Velvet is a parasite and it can be treated. If you have a number of fish in a tank and one shows signs of velvet, it is best to treat all of the fish due to how contagious velvet is. A medication called BettaZing is effective at eliminating velvet completely.


Dropsy is seen often in betta fish and it is particularly fatal. Dropsy is most often contracted through the feeding of live food. Not a lot is known about dropsy other than the fact that it comes from feeding contaminated food. A betta fish with dropsy will present with raised scales as a result of a buildup of fluid underneath the fish’s scales. The buildup of fluid is the result of kidney failure and just as with any animal, once the betta fish’s kidneys fail, the fish will die. The bacteria that cause dropsy are very contagious and it is these bacteria that cause kidney failure. Spotting dropsy in your betta fish is relatively easy, your fish will have puffed out scales that look similar to pine cones and it may also appear to have a big bloated stomach.

There really is no known cure for dropsy but a good preventative is to avoid feeding worms to bettas. It is important if you have a betta that presents with dropsy, that you keep it away from other fish.

Swim Bladder Disorder

Swim bladder disorder is not contagious but it is a common illness among betta fish that comes as the result of overfeeding. Young bettas and double tailed bettas are susceptible to this illness. The swim bladder of the fish is located between the belly and the spine of the fish. When the betta fish has a swim bladder that is too short they will not be able to swim horizontally. When a betta fish has a swim bladder that is swollen they will float on one side. Many times when fish have shorter swim bladders they will prefer to lie at the bottom of the tank because swimming is too difficult.

A betta fish with a swim bladder disorder can recover by themselves but it is also important to pay attention to how much food you are feeding your fish. You should know that swim bladder disorder does not hurt the fish and at any point it can recover from this condition so you should not kill your fish out of “mercy.”

External Parasites

It is possible for a betta fish to contract external parasites in the pet store or from the foot that they are being fed or from other fish being introduced to the tank. It is usually possible to see parasites by looking closely at your fish. In the case of some parasites like anchor worms, you will have no problem spotting them. A fish that has external parasites will show symptoms of needing to scratch itself against anything it can find and it will not behave as it normally would showing signs of being uncomfortable in its tank.

If your betta fish shows signs of external parasites you will want to change out 70% of your fish tank’s water. Changing out a percentage of your fish’s water will help to reduce the population of the parasites and their eggs but it will not remove them all completely so it is important to treat the remaining water. After replenishing the water you will want to treat it with BettaZing, a product designed to clean the water and kill the remaining parasites and their eggs.

Betta Fish First Aid Kit Infographic

This infographic made by The Aquarium Guide summarizes many of the the items above as well as some additinonal solutions for how to help with your Betta’s diseases.

Betta Fish First Aid Kit Infographic

The Importance Of Prevention

Prevention is the most important part of Betta fish diseases because prevention is much easier than treating or trying to cure Betta fish diseases. Most Betta fish diseases require a large amount of work in order to save your Betta fish from succumbing to the disease that they have contracted, most often this involves cleaning the tank and replacing your Betta’s water once every three days in addition to the application of medication. In most cases Betta fish diseases are easily preventable by maintaining a clean tank and feeding a healthy diet. There are, however, occasions where a Betta fish is purchased with a pre-existing disease or condition and in this case treatment is required in addition to taking preventative measures in the future. It is important to note that while prevention is the preferred method of “treatment” it is not always possible but purchasing a Betta fish with a pre-existing condition does not mean that your fish is doomed to die. As it has already been mentioned, the majority of these diseases are completely curable when treated appropriately and often times purchasing the fish that appears to have a pre-existing disease may be the only chance it has at survival. If you feel up to the challenge of Betta fish first aid, why not give a sick Betta a chance and put your fish doctoring skills to work!

Learn more Betta fish facts and how to choose the right aquarium for your Betta fish.

Is your Betta fish showing signs of sickness?

Maybe someone else’s Betta is experiencing similar symptom’s and you can get answers and advice below. NOTE: While we have provided some information about common illnesses, we are not a certified fish doctor, so if you are experiencing issues with your Betta fish please contact your local pet store or seek professional help.

About The Author:

Amy grew up in England and in the early 1990's moved to North Carolina where she completed a bachelors degree in Psychology in 2001. Amy's personal interest in writing was sparked by her love of reading fiction and her creative writing hobby. Amy is currently self employed as a freelance writer and web designer. When she is not working Amy can be found curled up with a good book and her black Labrador, Jet.

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For my betta all the fins and tail are not spread out and it stays always on the surface of the water. Tried changing water and also gave salt bath once. May I know why is this happening and the solution as well? Any details would greatly help. Thanks in advance
I just cleaned the tank and now my beta’s eyes are bulging and the fish is erratically swimming and trying to jump out of the water and it seems desperately trying to escape the water I just cleaned. Something is wrong and I don’t know how to save it
Phyllis Mulford
Hello; I have a male Betta that was white with beautiful dark blue spots. The blue spots are gone and have been for some time now but the problem I do condition I do have is when before changing the water I let the chloride go out by leaving the replacement water out for about 24 hrs. then use the drops prior to adding the fish. Meanwhile, the fish is still in old water until all temps are the same. He started acting funny a few months ago by hanging around the side and being listless. In a day or two he is back to normal. This last time we thought he was dead. I left him in the water in hopes he would come back and sure enough, three days after the water change he is swimming around again. I am unsure if he needs to be put out of his misery or we can help him. I have had Bettas or yrs but this is a new one on me. HELP!!!!
Mary Ann mazza
Hi I have owned a Betta fish for 4 months he was so active and knew when to eat by coming to the opening
But today he seems very jumpy and Jerking all the time I have treated him with medication for ich and he still not doing well.
What do I do for him I don’t want to lose him please help me
He might just be excited…I wouldn’t jump to medicate for ich until you actually see the white spot.
Sydni Hause
So I have a female betta in a 5.5 gallon tank by her self. When I got her 9 months ago, she was extremely social, happy, swam around like she was racing. Hence her name, Racecar. fast forward 9 months, she barely moves, the water quality is prestine, and has stayed that way. Proper filtration, feeding, ive done all the research I feel I can do…and still nothing. She lays lifeless practically 24 hours a day, wont come out of her castle for food, I have to feed her where she is, other wise she wont eat. I have done a few rounds of antibiotics, cleaned the tank well, etc. I am at a loss and SOO sad that I cant help her. Thought I would reach out and see what yall think before I have to give up her suffering.
Maybe she’s depressed? I know that sounds odd, but it’s a thing. Change her aquascape or get her a bottom feeder friend or two.
We have a similar experience with our male betta now 11 months old. Sleeps all day and night. Used to be social and curious. Now doesn’t swim at all. Just eats and goes back to sleep. Water is perfect.
Hello, I have a dumbo Halfmoon betta that I’ve had for a little over a week know. I’m not sure if he has popeye but he isn’t showing any of the other symptoms
I’ve had my betta fish for about a year. He’s my desk friend and I clean his bowl once a week.
I’ve noticed that he is starting to get this slime all over him and he’s lurking on the bottom of the bowl to only come up for air and then he ‘sinks’ back down. He’s appetite is non existing too.
He also will lay on his back and there’s been a couple times I thought he was dead.
What can I do for him?
Esther Sillevis
First of all how big is this bowl? Common misconception is that betta fish are fine in small containers with no filtration of any kind. Depending on the size of your “bowl” you may be actually changing the water not frequently enough especially if there aren’t life plants or filtration.
Betta actually will be much happier is at least a 5 gallon but preferably larger aquarium with a gentle filter. Add life plants for added filtration and oxygen supply and a bubbler maybe. Fish in small places just aren’t happy and will eventually get depressed and develop illness which is the slime you are witnessing. This is a fungus or bacteria so he needs to be treated with some broad spectrum med.
I would suggest to provide him with a 5 gallon (there are some pretty nice ones at petsmart for not that much money) and add plants, gravel and maybe a snail or otocinclus fish for company. You will see a nice aquascaped tank will look very pretty and will be soothing for both you and your betta.
Jo Nel
Hi, we have a female tank and we got 6 females at the same time from the same pet store to set up the tank. all of them except for one died in a two week period. We thought perhaps it was something in the tank, we actually removed the remaining female from the tank, we actually had put one of our males in there without anything happening to him. Once moving him onto his propper tank we then got 4 more females from a different pet store and they were fine as we had kept this female in quarantine until she looked 100% better as we couldn’t find anything online as to what it could be. Once we put her back in the tank with the new females one has died without showing any symptoms and another has gotten sick and we’ve removed both and quarantined each of them separately. The only symptom we’ve had at all is lethargy and a lack of interest in food, heavy breathing and some have had color loss but it has varied from fish to fish.
I’ve noticed my betta has one cloudy eye however, it’s not bulging out. He is still active and eating. My filter broke for about a week and I tried to change the water as often as I could however, since the broken filter I noticed the eye. I’ve been doing water changes almost every other day. Will this go away without the use of medication?

Thank you

My Betta, Pearl has been very lethargic for awhile now. I noticed that she gets air ALOT. I got her when she was a baby, she will be a year old soon and she did not act like this when I got her. It has only been a few days since I started noticing this. I change her tank every week. She is also not eating and has a pale color, as well as not swimming horizontally and sometimes gets bursts of energy. I don’t know if she is itching on the aquarium plants or what. Could this be multiple problems that happens at once?
What should I do?
If I am not too late, do a 90% water change and add some kanaplex by seachem, (I saved my betta from dropsy with this) follow the directions on the package, except I would water change everyday instead of every second day because when you water change every second day it still allows time for the disease to live and continue to hurt your fish. Keep water changing 90% every day until she is back to normal. Sorry if i’m too late! I know what it feels like to lose fish.
My betta fish hasn’t been swimming around much and isn’t excited for food. He has a brownish gold color over part of his head. Also his back is oddly bent. I recently noticed this. I’m not really a betta fish expert but does anyone know what’s going on with him?
Did you find out what was wrong with your beta fish?
I’ve had my male Betta for about two years and we’ve had a few health issues. Recently, he’s very lethargic, very pale, not interested in food, and just sits at the bottom of the tank. When he does swim, it’s a very downward position and lopsided. It started when I moved him to the basement for the summer, where is it pretty chilly for him. I just got a heater for his tank. I was thinking maybe the temperature and some swim bladder issues from eating too much previously but I’m out of my element here. Is there any other advice or anything I could do?
Mr. Mans
My beta has a balloon coming out from his Gill. I thought it looked like lymphocytosis at first. What could that be? It’s like a skin bubble coming out from the Gill.
Kathleen Lansdowne
Mine has the same thing. This bubble just keeps getting bigger and I keep expecting it to pop. Anyone know what it is?
My Betta (female) is lethargic and has a long clear/white-ish stringy strand hanging from it’s anus. Is this a sign of parasite? How should we treat it? Thanks!
Mr. Mans
I’ve heard that white, stringy poop in Bettas could be a sign of internal parasites.
Oooh I really wouldn’t recommend Bettafix or any -fix meds like melafix

They contain tea tree oil, which is why they work, but the oil actually coats their labyrinth organ making it hard to breathe and can kill them

Sandra Day
As Tiffany indicated below, my betta has a large whitish spot on his lower fin. I have owned my fish for over a year with no problem until now. I believe his fin may have been damaged whe attempting to remove him to clean his 3 gallon bowl. I have used Bettafix several times, and he is getting worse. The directions say to put 18 drops per quart of water and not to change the water for 7 days. I bought a floating log for him to hide in whenever he wants. Now he stays in it. He doesn’t swim around in the bowl. He looks faded as well. I never owned a betta before. Any ideas on what I should do now? Thank you for a response!
Debbie Knight
That is the same thing that has happened to my 3 year old Betta. He has not eaten anything for days now and I don’t know how to help him.
Mr. Mans
Large whitish spot? Maybe fungus. Fungus usually looks like cottony. If so, you can follow the instructions for treating fungus, such as API fungus cure, which will dye the water green. They also recommend raise temp, and add salt to help treat fungus. Of course, if you have plants the salt won’t be good for the plants.
*My betta is using her hind fins like feet
My bad fortune is using her hind fins like feet and she has a hard time swimming to the highest level of her Aquarium I don’t know what I should do I really appreciate some help please ps she also lost some pigment
Mr. Mans
Maybe fish bladder. The treatment kind of depends on the cause. There can be various reasons to cause issues with swim bladder. One of those reasons which can cause color fading is bacterial, in which case you could follow the instructions for treating bacterial infection.
My betta fish has fin rot and it is quite serious. I’ve been treating him with Melafix, but it just keeps getting worse. This morning when I woke up he was fine but now his middle fin was worse and had red at the tips. He also looks like he has ick. Please help me I’m desperate I care about him very much. He is a veiltail.
Mr. Mans
I would treat with E.M. and lifeguard simultaneously. An earlier comment aid how any of the “fix” medications continue to tree oil which makes it harder for them to breathe.
I have had my batta fish “snape” for a year and a half and recently I thought he had pop eye but his “eye” plural is looking a lot better now he has swelling around that one eye and there is a “dent” in between his mouth and his head and there is discolouration also he has some scales that are white and a tiny bit translucent that are sticking up a little on the top of his head and is swollen can you please tell me what to do
My Beta, has been losing scale on the top of his head and has an inflamed gill, does anyone know how to properly treat this, I can not seem to find exactly what this illness is. Many websites mention fin rot, pop-eye, etc. but none have the symptoms that my Beta is showing and I am unsure whether I need to treat it as a bacterial, fungal or parasitic illness.
I think my betta might be feeling the same
Mine too it’s scales are falling off
Hi ive had my betta for 5 months and recently shes been staying at the bottom of the tank. she’s still excited by food but her “scales” on her body are also shedding. could someone tell my whats wrong? thanks.
My Beta also has shown physical signs of illness such as shedding scales and inflamed gill but is still excited for food and play times. Did you by any chance discover what was wrong with your Beta? I ordered antibacterial and fungal treatments but I am not sure which one I actually need to use.
Hello. Our Betta, Jasper, was bloated last week and swimming funny. We read about the thawed, frozen pea treatment, but since they sink… how do you feed it to your fish?? Ours only eats floating food.

Second problem – 5 days later and he appears to have fin rot. Will purchase medication tomorrow. Are the two incidents related?

Also, can Plecos live with Bettas? Our small pleco seems to be stressing Jasper out.

Yes your pleco can live with your betta. As long he/she doesn’t grow then you won’t need a bigger tank. The pleco will stay out of the betta’s way since betta fish never go to the bottom of the tank.
Mr. Mans
My corydoras and Betta do fine. I just make sure to feed the Betta first, as he does eat from the bottom sometimes and will compete for food.
My male betta fish has a single protruding relatively large white spot on his side and I was wondering if someone could tell me what it is and what specific product, possibly from the ones mentioned above, I could use to treat it. The fish is three years old and isn’t extremely active but does swim a lot from time to time when not resting and also eats normally.
Mr. Mans
There is not a lot of info here for diagnosis. White spots usually make me think of fungus or Ich. Ich will spread rapidly, fungus looks like cottony patches is how you tell the difference. Also Ich looks more like grains. They usually recommend add salt, raise temp, and add meds accordingly. Me myself, I usually stick with medications once I feel comfortable about a diagnosis.
I bought a beta 5 days ago from a fish store. This morning he was laying on the bottom & has white patch on its body . I have some microbe lift natural expelling for bacterial disease that I put in the tank . I will do that for the next ten days . Any other recommendations ? Should I take some water out & put new treated water in . ?
Mr. Mans
Yes. And a white patch? Maybe fungus…
I have a male beta, only owned him for about a month. This morning I noticed his gil stuck open on one side. I dont see any parasites, he is eating, and swimming around , not trying to hide or anything. Seems agitated though. He can flare just fine but one side just wont close all the way. It does look a little red but being that he has lots of red on him I’m not entirely sure if it’s natural. Any suggestions or info that might help?
Try treating it like he has dropsy cuz that’s what it sounds like
Mr. Mans
Maybe red Gill.
My Betta has been home for about two weeks. I have him in a 2.2 gal tank with a plant and a house in it. He spends almost all his time glass surfing, and I turned off the filter because it seemed too powerful for him/to stress him out. I’m worried he has fin rot as one of his fins is shorter and more jagged than the others. Additionally, the small find right by his gills seem almost translucent. However, he is not lethargic at all and still eats readily.
I have two bettas, both are sick with different symptoms.
1. The first fish has symptoms of labored breathing, darting, slightly yellowing, lethargy, and ‘falling’ when he’s resting at the bottom of the tank, and resting vertically at the bottom.

2. The second fish has a faded dark coloring, floats and turns to the side at the top of the water (almost looks like he’s dead), labored breathing, and hides behind his heater.

They both have no trouble with eating however. Can anyone suggest what might be wrong and how I can help them? I’ve been trying to treat them for forever now and everything is so confusing and I can’t get them to get better.

Hello Easton my betta is doing the same thing as your second fish. Hiding behind the filter and kinda swimming on it’s side every now and then i have had him foe about a week now.. But he is blue in color and i have notice that the bottom of his mouth looks a little discolored.. And a little fat around his body. So you have suggestions.
I have had my betta for about four months and a couple days back I wasnt at home so my mom fed my fish ,she over fed him so he was bloated ,I fasted him till it went down ,but now I cant feed him as much as I used to because he will bloat ,why?
Mr. Mans
So we had our male betta fish for a couple days, and I always noticed that he would stay in the corner and looks discolored. Every time I go to school, my dad turns off the heater and the filter saying “its a waste of electricity”. The tank drops like 10 degrees Fahrenheit by the time I get home and turn everything back on. Could the temperature drops be the reason he’s like this?
Lyndsey Dunn
That is terrible for ANY fish. Please tell your father that he is essentially killing your betta fish. Bettas can do fine without a heater if they are kept in a warm room and the water temp doesn’t drop below 72. From my experience. But idealy they need to be in 74-80 degrees. But overall no fish can go through constant temp changes like that. I don’t have a link off hand. Just Google the water temp for bettas and please show him. They are tropical fish.
Ashley Mair
Hi carl,

Yes defentify! The temperature should be stable at all times. Then heater should not be turned off in the aquarium for that long and the temperature should not be dropping like that daily. It cause your fish a lot a stress, and be susceptible to getting diseases. The temperature drop can also cause shock to your fishy which can lead to death! Overall its just really bad for the betta fish the filter is not as important, you should tell your dad that the heater needs to be kept on at all times!

Best regards,

Susan Ellis
Please keep the heater on at all times. The electricity it uses is very small, costing pennies per month.
Hi Everyone, I left my male beta under the care of my father for 6 months. The day before I came back he started being super lethargic, isn’t eating, seems duller in color, and is laying at the bottom of the tank most of the day. How should I go about treating this? I already tried feeding him peas and he won’t bite at any food.
Please help! I have a male beta and he was doing great however a few days ago I realized that he was swimming funny. Almost as if he was bent in half and then he tried to swim after it. He also has a large dark spot on his side that was definitely NOT there a week ago. The spot if rapidly getting bigger and has migrated to his other side within a day. I don’t know what else to do and I desperately want to help Joey before it’s too late. He still will eat just fine. He has opted for resting in his gummy plants a lot more now though.
Please help I have no idea what to do and I’m desperate! I have a male beta and he’s always been great until recently I realized that he was swimming really weird. Almost lie he had bent in half and was trying to swim after. Also he had a very large rapidly growing dark spot on his side that was definitely NOT there a week ago. Since yesterday it has already migrated to part of the other side of his body. He still wants to eat so that’s not a problem but he isn’t getting around well and is choosing to sit in his gummy plant a lot more often. Please if anyone has answers I need them!!!
Lyndsey Dunn
Hello have you had any luck with your betta? It sounds like he could be constipated. Epsolm salt can fish that. But in general using any of the above treatments is worth trying. Get epsolm salt, aquarium salt. Betta fix. Stress coat. All in pet stores.
Kerry Dummett
How many times do I put epsom salt in my betta fish tank its a 3 litre tank how much do I put in and how do I make it up
Xela Klockow
I just recently moved my Betta with me to college about a few months ago and he was perfectly fine and happy when he got here but recently all he does is sit at the top of the tank in the corner and barely eats.
Lyndsey Dunn
You can try some krill or freez dried blood worms to encourage feeding and excitement
Mr. Mans
Lyndsey had a great idea. Also mine is crazy for he tetra tropical color granules.
Emily Datema
my betta fish doesn’t seem to be showing any signs of these disease listed other than he just isn’t as active and tends to lay at the bottom of the tank but will show excitment to feeding and when I come over to the tank. he still does swim around the tank on his own just doesn’t do it as often as he used to. Just wondering what this could be of if it is just old age and hes slowing down.
Mr. Mans
Put one of those leafs in there so he can perch at the top like they do in nature.
Can I use amoxicillin for pop eye? I cannot afford ampicillin right now, as I have lost my job. It is quite expensive. However, I have a brand new bottle of human amoxicillin. It is 500 mg capsules that are easily broken open. If I can use this, what is the dosage? It is one beta fish in a 1.5 gallon tank. I just purchased a 5 gallon tank but haven’t moved him yet due to the pop eye. I don’t want to add any stress due to the new tank.
Lyndsey Dunn
Mr. Mans
Yes!? Wow, I’m surprised.
Does anyone know what causes Betas to suddenly die and loose all pigmentations? My fish Young Nickel slowly stopped eating the amounts he used too. I fed him last night, and today I went to feed him and he has passed. He was a dark red fish but when I found him he was nearly all white. He has a 5 gallon which I recently (a month ago) put two suckers and a moss ball with him. I tried giving him a different kind of food which I also tried with my other Beta Nick Klaus. Klaus is fine but the snails in his aquarium also died. I am not sure what is wrong, they have separate aquariums, I change there filters out frequently, also the water, I even put water conditioner in there. Any info given would be much appreciated.
They lose their pigmentation as a result of dying. I don’t think it’s related to why he died. All they do fish die and then lose their coloring. They lose their pigmentation as a result of dying.
Sandra Day
The life span of a betta is 5 to 6 years. If the betta was full grown when you bought it, itcwon’t live as long. Many commercial pet stores sell full grown bettas. I bought mine from a private owner shop, and the bettas were small. Talk to the owner about how old the bettas are. Hope this helps.
my bettas gill is popped out on one side, it’s not protruding on the other side, making him look swollen/lopsided when viewing him head on or from above. he is a red dragon half-moon and i can’t tell if theres any lesions or discoloration on him because of his coloring ๐Ÿ™
our Beta at work has the same issue. I didn’t think i noticed it before.

Does anybody have any info on this issue?

aaysha afshan
that is because it has been in front of the mirror or has seen another fish or beta fish where it seem to be angry the other does not open because it is not able to
Hi, I believe my fish has internal parasites. She is very bloated and is not pooping. She wouldn’t eat a pea, and fasting did not work, so I am using a product called microbe lift herbtana. It’s very hard to measure since she is in a one gallon tank due to her having trouble getting to the surface. Anyways the reason I believe it is internal parasites is prior to this her poop was long white almost clear strings while in her 3 gallon tank. And I even noticed a small white string hanging from her. My question is, should I be doing water changes every day so the water doesn’t get overloaded with this medicine since I’m using it everyday(three days so far and no progress)… and secondly is there a better treatment method I can/should be doing for her? I’m getting so frustrated. Wish I could load a picture so you all can see her but she is huge in her middle. I don’t think it’s dropsy bc she still wants to eat and will still follow my finger if I pressure her long enough. Please help me if you have any suggestions or treatment methods. Thanks!
Please help! My betta fish is about 3 years old and all he does is stay at the bottom, does not come up to eat anymore, is not excited for anything, and he looks miserable. Ever scene we moved from my moms to my dads he’s been acting like this. he has a 5 gallon tank, 3 plants, and a rock. I’m scared, I love Berry and I don’t know what to do
hey! I don’t know if I’m too late, but seachem has a product called garlic guard that helps make food more appealing. Mysis shrimp is also good for picky eaters. Is Berry’s stomach bloated or sunken? Do you see raised scales, parasites, etc? Velvet is very fatal and spreads quickly so turn off all the lights, and shine a flashlight over him or her. Maybe he or she is stressed. Stress also kills fishes, and you said you just moved him? Fish can get stressed after transportation. I use seachem’s stress guard and it works really well. I really hope everything turns out okay.
We recently moved from an apartment to a house and I think this stressed our Buddy out big time! He developed fin rot, was suuuper lethargic, and he was literally laying sideways on the bottom of the tank. I moved him to a small, 1-gallon quarantine tank and started him on Erythromycin… after about 2 days, he was looking better. I kept him in the quarantine tank for about a week (maybe even 10 days) with these antibiotics and it helped him immensely!! I cleaned his tank while he was in quarantine, added aquarium salts, and moved his tank to our bedroom where it’s a little more “chill”. He’s been doing much better since!!
I wanted to put a little fact out there that I wish I’d have known sooner. I have a beautiful beta named earl. I love my fish n he truly loves me. I bought him a much larger round tank. It was awesome. Within 2 weeks earl was not acting like normal. It was so depressing. I’d bought him an exercise mirror in which u can see him get all happy to see it and new the container I keep it in is to side of his tank so he knows wen I’m reaching for it that he gets it soon.
Then he just wasnt. Wasn’t excited for anything. Good appetite tho. But just is seriously depressed. I finally figured out that fish cannot see out of round tanks. The same as we can often have issue seeing them in through a round tank. Earl was happier the same hour wen I put him back in his old octagon tank. After really looking into it it has been quoted that fish owners that own round tank shud get in trouble. I personally feel that the companies that makes round tanks shud be the one. You cant tell me they dont know this small fact
I believe I’ve heard it can cause blindness eventually.
That might depend on what kind of tank you get and whether or not they’re used to it. Bowls are also rounded, and the acrylic half-moon shaped bowl my kid’s in only causes him problems on the flat side.
Vylet Girlie
I have to say that we had to buy a round tank for our little better Mizuchi, he is quite ill right now, but we have had him just shy of 3 years and have been through a lot with him with all kinds of different things. However, in the beginning we went through several tanks because Mizu was constantly glass surfing and flaring up at his reflection, and wouldn’t stop for anything. We would try different lighting, put different backgrounds up on the glass but to no avail. The round tank we found was wonderful because he was no longer constantly panicked and it came with a filter that want overwhelming for him, we had to baffle it still with a lead hammock because he would get very upset with to strong of a flow. My fish doesn’t appear blind or to have any issues related to the tank anyway, for Mizuchi anyway, it was a fit.
HELP! My sons 1 year old Betta has white discoloration on one eye. My son was devastated last week when Flare was lathargic. It’s a week later and now the eye. Please provide any HELP. It hurts so much to see him so broken hearted.
I would do a partial water change. Sometimes fish get cloudy eyes from being in dirty water. It also could be a symptom of something bigger. Cloudy eyes and lethargy are symptoms of many fish illnesses. Let me know any more developments.
Our young betta is in a 20 gallon community tank and has been doing well. A few days ago, she had two cloudy eyes. We researched everything and checked water parameters which were good with a higher pH of 7.6. We completed 25% water changes three days in a row. Her eyes look a little better but she is now hiding more, running into plants, appears dull in color, and appears to have irritated gills. All of our other fish are acting normally (5 neons, glowlight tetra, 2 rasboras, and cory catfish) We treated with Melafix tonight. Are we missing a bigger diagnosis? Should we be treating her differently?
Hi! I got a betta that was abandoned in the appartement of my girlfriend by the last tenant. It was in poor shape, his fins and tail are quite deteriorated because its tank hadn’t been cleaned for sooo long. I chanded water and feed him normaly while treating him with betafix daily for a month now but he seems to be very ill lately. He always hangs out in the bottom of the tank and swims rarely but when he does he seems to go crazy and moves fast and erratically sometimes hitting in his surroundings. His skin looked like it was getting better but now it looks clumped again and bubbly near the tail. I don’t really know what to do, since i never had a betta before. ๐Ÿ™ Please help me to make him get better.
Hi! Hope I’m not too late. What shape aquarium is the fish in? These symptoms are common of one in a round bowl. They can’t see, so they become lethargic, or spastic. Bubbles near the tail could be a symptom of finrot. I would do another water change, and dose with seachem’s stress guard. It helps the slime coat of fish (both marine and fresh) and can help immune systems. Good luck
I did a tank change when we got new guppies for our male betta. we transferred our female betta from a divided tank from the male to her own tank. I treated the water like to the petstore instructed. my female betta now has white stuff all over her and she is breathing hard at the bottom. not swimming around or active like normal. she comes up to the surface to get air and then sinks back down. I’m going to try to leave work early and take her to the petstore to see what I can do for her. any ideas?
I would take what the pet store says with a grain of salt.. They are trying to sell their product to you and are often very misinformed. It sounds like velvet to me, or a fungus. I don’t know many fungus or velvet treatments, but I’m sure you can find some good quality ones by looking it up.
That’s ick. White stuff? Ick. You need to treat with Jungle Ick Cure for best results.
Desiree Crance
I have a question I have had my baby Walter for a year now and fed him when supposed to and I came home and his body is peeling what am I supposed to do
peeling body is one of the early stages of velvet, if I recall correctly. Velvet is parasitic.
Fish don’t “peel,” if he’s shedding his slime coat, there’s a problem. Could be damage from his toys/decor, could be stress or illness. Grab some Stress Coat and do a dose with a 50-75% water change.
William Farrell
I forgot to add, his color is normal and his body always looks wet. His gills don’t seem to be struggling
William Farrell
I have had a male betta for about a year. For almost all of that time he was in a 1 gal bowl and was fine. About a month ago I put him in a 4 gal bowl with some plants at the bottom, a floating water lettuce and a mystery snail. He was the fine for about 3 weeks. Four days ago he was fine. He came up to me when he saw me, he ate eagerly and he swam normally. The next day, I found him laying on the water lettuce, about half of his body was out of the water. I put him in the water and he got back on to the water lettuce. That is how he has been for 3 days, except for when I slide him into the water. When he is in the water, he swims rapidly from side to side, before squirming back onto the water lettuce. He also does not eat. The fish guy I bought him from has no idea what is wrong, he has never seen this behavior in his fish before.
Fish bowls cause blindness and spastic activity in fish. May even drive them insane. I’d move to a rectangular tank
What are your sources? You keep saying it, but not backing it up.
Mr. Mans
Bettas like to perch near the surface as they do in nature. I have a plastic leaf attached to a suction cup close to he surface and my Bettas loves it here. I put it on the side of the filter where the flow is slower. He loves hanging out there and will just lay there in his hammock. So maybe don’t freak out just because you see him perching near the surface as they do in nature, ok big guy. Thanks a bunch.
My betta fish, Freddy was doing perfectly fine. But now he seems less excited about food, and is staying at the top more often. He seems to have VERY TINy white specks on him and under his mouth area is kind of green. He is a blue and red halfmoon betta fish. Please help, he is my 5th betta fish
Marissa Santos
Have you tried treating him for Ich?
My male veiltail beta fish has been a bit problematic since I got him, however now he has something I can’t figure out what it is. He already started to get minor split fins, but now he has a few peices of fins that are completely white. Not only that but the top fin on his back is completely white, and the area of his body that the fin is on is pale red, which is super noticeable because he’s dark blue. I’m not sure what to do, I’ve only had him for 5 months and I’d like him to live his few years out fully. Yknow? I just don’t want him to die so soon. If anyone knows what this is and how to treat it please let me know.
This is finrot, I think
Eeeew!My beta has these like brown hairs growing out the bottom where it poops from. Also, this growth has made the hole like 10 times bigger. It’s really gross. He’s not eating and being very chill. I tried Googling it many different ways but nothing comes up??? I have dealt with all the regular diseases but have never come across this!?
Reasearch Callamanus worms. It’s an internal parasite.
I bought my betta, Apollo last night. He does sit on the bottom quite frequently and hardly ever gets up. Whenever he attempts to do so, he struggles and makes it halfway up. Apollo also hasn’t eaten at all and breathes like he’s gasping. He is my third betta, but the first to do something like this. I’m worried he won’t last long. It would be great if someone could give me some advice!
Melissa Monsalve
My fish is doing the same thing. And I just got him. How’s Apollo doing?? Did he survive? What did you do to help?
I responded to Kailyn, so if you get a notification just look for her post
Look for internal parasites (velvet can infect gills) maybe swim bladder. I would assume you’re over feeding Apollo. Try and do a partial water change too, and add seachem’s stressguard it helps the slime layer of fish
Misela Silva
Please help
Misela Silva
I have two veiltail bettas and just put them in a 10 gallon tank and i put a divider between them and just yesterday my son said that the have white spots and i am worried…..i clean my tanks every other week and feed them twice a day just like all the other fish i have….please
White spots usually mean Ick. There are a few different medicines you can use that most fish stores carry. Not something hard to treat.
I just got my young femal veiltale betta and she’s got these strange black dots on her fins. I’m not sure if it’s her natural color/pattern, or some weird type of fin rot.
I would do a water change and look at her in the dark with a flashlight. May be a parasite. Seachem’s stress guard is good because it is like a fish vitamin so that may help too
I bought my betta just over a week ago and had him originally in a gallon bowl. He is now in a 3 gallon filtered and heated tank. He started showing signs of fin rot (dark grey tips on his tail and dorsal fin) his tail now has a chunk out. I have been treating him with bettafix (taking about a gallon out and replacing it with new conditioned water before adding more bettafix) I have ordered in aquarium salt and plan on using it after the betta fixs one week is done. Is there anything else I should be doing? His plants are silk.
Mr. Mans
They love real plants.
We have a betta which we got last August (2017). 2 months after getting him, we moved into a new house. He’s remained in the same 2.5 gallon tank with a filter. About a month after we moved, he started developing red spots on the top of his head which eventually spread to his fins and other parts of his body. His activity level dropped dramatically for a while but after a thorough tank cleaning and continued use of betta fix, his activity level has increased. The red areas seem to be turning white now. Not sure if we should be using antibiotics, but I can’t seem to find anything that relates to the red stuff. Anyone know what it might be?
Master Richie
Awe that’s dropsy! Next his scales will raise. It’s a sad incurable disease…!
It could also be stress spotting.
One of my bettas has always hung out out at the bottom of his tank but otherwise been fine. He recently sinks a lite bit and is tail is angle down when he swims up. Looks like he needs to balance on plants and decor. He is normal otherwise. Comes up for food and gets excited. I have two bettas in a divided tank. The other one had the same problem. I treated theit water with Melafix. One is swimming normal again but the other is not. What do you think is going on and how can I fix it. I have had lots of bettas most live on average 1.5 to 2 years. Some seem to recovery from illnes better than others. Also when I do larger water changes I add some aquarium salt.
Bonus question: my healthy betta has turned white all but his tail. He is usually bright red. No sign of parasites or damage to fins. He is getting old but he is one of the most social bettas I have had and has been really easy to heal when sick. I love my boys help me out!
sounds like swim bladder. Make sure you aren’t overfeeding. Partial water changes also couldn’t hurt
Hmm as for the bonus, maybe velvet. If he is only 1.5/2 he is still young. Most bettas can live up to 6 1/2 years. Check for fungus
Sheila Hauersperger
I am babysitting my college age daughter’s betta fish between Thanksgiving and Christmas. His behavior has not changed any. Very active, feeds well, vibrant blue color. I’m concerned about what appears to be a line of scales peeling off between his head and his body, making his head almost black and his body blue. I’ve googled pictures of bettas that have this coloration but there seems to be a scale’s edge raised up so i’m more inclined to think perhaps this is a problem. Any thoughts?
Master fishie
Sounds like dropsy, sorry! It’s incurable and the poor beta fish suffers then dies.
Ok I don’t even know where to go, I’ve been reading on bunch of stuff about Bettas. I’ve had mine for about 2 years or so. It has been doing fine up until about a week or two ago. The tank is about a gallon. Only has a heater. Sometimes I don’t think it’s working. Just started noticing that he’s acting strange. His scales are kind protruding. He’s been hanging on the bottom more often. The tank started getting this white filmsy stuff all over, on the glass wall, the live plant and just started getting on his face like it’s stuck to his eye or something. The other day I took a tweezer and just grab the white filmsy stuff off and he shook it off but then he got it stuck on his face again. I keep wiping the white stuff off but then it keeps coming back. Is he dying??? I could go on and on, but I don’t know what to do. Is it too late??
Master Fishie
Sorry to hear! It sounds like Dropsy which is an incurable and slow death! It always saddens me.
Master Fishie could be right, but they also could be wrong. A less-known symptom of velvet is raised scales, and the film sounds like it could be velvet. I’d look into that
vernae lynch
My betta has been sitting at the bottom of the tank recently,his color has been looking really dull too. One thing I know for sure is that he has popeye. he also has his back fins clumped together and he has these little black spots on him now too. He still eats normally and comes up for air to. I’ve been using the regular betta safe water conditioner and aquarium salt too( I use this because he had finn rot awhile back). does anyone know whats wrong with my betta
look into water quality. If some other things in your tank is dark, your fish could be peppering, or camouflaging itself to blend in to environment
My Beta is two years old, and is normally very active and happy. However, he began laying at the bottom of his tank two days ago, and I noticed a lump on his side, very close to his tail fin, today. Is this swim bladder or does he have a bacteria? He looks just miserable, and is laying on his side at the bottom of the tank.
That’s swim bladder not bacteria
Has anyone ever had a betta that looked like it had SBD did not respond to treatment,salts , salt dip & cooked pea swims erraticly whlie staying at the top showing no other signs while this could be dropy or parasites I am using API General Cure for that I have tried betta fix before that, put him in a new clean tank while I cycle the water in the other ( I am getting a bubblier,am getting a heater) He is 3 or 4 I also read about fish that age sleeping on one side is this true?
Cure for swim bladder is not feeding so much. Water change couldn’t hurt
Daphnia helps balance swim bladder issues by helping them pass (poop).
Hi, I have a blue male betta named David- I got him in March 2017, it’s now November and I haven’t had any problems until now. For a little while he was in a 1.5 gal tank, then he seemed pretty sad so I moved him to a 2.0 with a filter and it’s been great. I feed him pellets in the morning and dried bloodworms in the afternoon- hasn’t lost/gained any weight, and I change the water about twice a month (usually more). Lately I noticed the edges of his gills are slightly inflamed, though not jutting out. The edges of his fins also seem a little bit frayed, for lack of a better word. He’s still swimming around and eating fine. Any ideas?
velvet, ich, other parasites, or fin rot. Those are just guesses though
Ok so I picked up this little guy from wal-mart yesterday because he looked pretty awful (sitting on the bottom of the container, fins all limp, amd he’s super faded and has dark, protruding gills) and long story short I couldn’t bring myself to leave him there. So I brought him home and got him in a nice new tank amd everything and he’s perked up quite a bit which is good, but I’m just wondering if there’s any supplements or anything I can give him to help him get healthier? I’m really worried about his gills because they’re sticking out a lot like he can’t close them all the way. It’s been like 10 years since I’ve had a betta fish around and google is super inconclusive, so any advice is appreciated cause I’m rooting for him to live.
i believe it may be inflammation. There is an explanation of it on this website, just above the comments
Just keep his water quality within the standard parameters. Some Vitachem may help, but a good, nutritious diet (omega one pellets or freeze-dried bloodworms) and clean water really keep them their best.
My betta fish,Lettuce, Has a big tank, (about 6 gallons) and a little plastic plant and a castle figurine for fish i got at petsmart. (I washed both items off without using soap before putting them in the tank.) I got him around april of 2017 ( it’s late october in 2017 currently.) and he has never had ANY problems at ALL. I feed him 4 pieces of food a day, 2 at day and 2 at night and he has never lost a huge amount of weight or gained a huge amount of weight.I clean his tank very well twice a month, Or whenever i see alot of food that floated to the bottom of the tank when he wasnt quick enough to catch it.He has a medium sized lump under his gills and has a hard time swimming. I plan to try to feed him a bit less and if i do i will feed him a little bit of shelled pea (as thats what most websites are saying to do.) But i am very scared of him dying. Can somebody please,please add more suggestions?!! Ive been researching for hours and making plans to visit petsmart for water tests and other fish vets so they can help me just for this one little betta fish. If it helps, He lives alone in his tank. Never have and never will have another fish with him.
Did anyone respond to your posting? Am having the same problem. My betta actually completely lies down on her side on top of the gravel. She looks healthy but is not at active as she us to be. I decide to start feeding her worms and watching much I feeding her. I just started this a few days ago, planning on changing her water twice a week. Don’t know what else to do.

Let me know if your little guy recovered.

Thank you.

Mine is having same issues. What happened with your guy??
My female baby beta named TT has had some fin rot and now it looks to be a hole on the side of her that is rotted the most. I’m using bettafix and following the directions on the label, but she doesn’t seem to be doing as well as I hoped. Does she have a chance of living?
Yes but the betta fix has 0.2 clove oil in it trash it (clove oil is use to kill fish/put them to sleep)now!! Buy some freash water aquarium salt(API) and read the instructions and your betta well be so much better with in 7 days…I use spring water in gallon jug from wal mart and treat it with betta water conditioner by (API).
what i’m reading is just the opposite!
Hi all, I have a male betta, and am a new fish owner so have been reading literature on common betta diseases/Illnesses, my betta has done some tank moving recently and now he’s under better lighting and in a magnified curved tank, I’ve noticed 2 silver streaks either side of his head, one on the outer edge of his gills and one slightly forward of this. Is this anything to be alarmed about, I read this could be amonia scaring?
What medications will need to be used if you Betta fish has Advanced Fin and body rot
The other day I noticed a small white dot near the head of my betta. The next day, I saw that his mouth was a little swollen (it was noticeable) and there was a slight bulge on his forehead. I did some researching and I have not found anything of my description. What could it be?
Ask a fish doctor but I think it is culimnos or ich
Have you looked into Hole In The Head disease?
Recently a whitish orange spot has showed up on one of my Bettas fins. I recently changed out the water but it seems to be getting more white than orange now. It doesn’t match any description of other diseases. What should i do?
Bonnita Darcy
My Betta has a hard white tumor like growth at the beginning of his top dorsal fin. It’s hard like a calsafied bone. Is there anything I can do? I have made sure he has clean treated water and salt added to water as well as treated him with some type of fish treatment with tea tree oil in it. Any other suggestions. He looks great and acts well except for this bones bump.
Joed diaz
I just saw my betta ana acting weird he eyes are huge, fins down possibly a white dot on the side of her head her Gills get wide as if trying to attack or something I just got a new betta and a new tank but had ana in another tank for a week and a half
My beta is the same as benny but he won’t eat and he is bloated at the bladder
My fish is blind, bloated in the bladder, doesn’t eat, and always stays in the corner of his tank… please help!!!
Hi I am having the sam exact problem right now. Wondering if you found out what’s wrong?
Tammy rabbitskin
Hi. I have a question my little fish benny he stays in the top corner he has his own tank. I change his tank once a week. I have. 3 of them all own tanks. Benny is my first fish. I need help as to why he does what he does. He stays in the corner now n again floats to the bottom and his little body is arched now n again.
My betta has been with me for awhileand he’s been in a community tank and him and the other fish have been fine. After checking on him today I noticed he had small white spots on his fin I thought he just had ich so I separated him and gave him medication and all that but now his color jsut seems to be going away even faster the ends of his fins are pale they look like a white grey color and he isnt mpving as much the color fading took over so fast that i have no idea whats going on does anyone know what could be going on?
Master Richie
Sounds like ick/fugal infection! I think it’s all the shit they are spraying in our sky’s! It lowers all animals immune system:( including our immune system, as it gets in every little bit of liquid/air we intake
we are made up of 90 percent water and now chemtrails !)
My betta fish has a small bump on the back, on the neck i would say. I just went on vacation for 10 days and the water has not been changed. Now i got back from vacation and changed the water and added the “fix” liquid but i am afraid the bump looks a bit bigger now and i dont think the “fix liquid” is enough. I will try to change water every 3rd day but what else can i do to help the little guy?
My daughter was just given a 2 year old male betta. We were given a .5 gallon tank that he has been in the whole time and changed the water today, now I’m concerned. He is staying close to the bottom, doesn’t want to eat and his fins look funny. Not sure what to do.
you might wanna get a bigger tank, five gallons is ideal but 3 gallons will work too. .5 gallons is too small for any fish.
Well for one the tank is much too small. Betta fish should have a tank about 2.5 gal or more. As for the sickness I’m not sure it could possibly be fin rot. Do the fins look frayed or black around the edges? If the answer is yes it’s most likely fin rot. If not I’m not sure.
Betta is 2.for 8 days he has been bloating,laying on bottom.3.5 tank.filter,heater,clean no issues.solo fish.not knowing what was up,gave him 4 pellets as norm.noticed bigger bloat.3 days later he ate some pea, next day little pea. Now hes been fasting 3 days i made a QT in his tank cause he cant get to the top; its a floating Tupperware hospital bed/punched holes &place fresh tank water in it daily. I have done water chg/cond/aquarium salt to tank. so poop. Finally today did a 1tsp/1gal Epsom bath 15min.then to revive container 5min.(part of the salt and water from tank) then he went back to hospital bed which still floats in his 77 degree tank. head up,stomach bloated, comes up for air , hope he poops tmrw!! i will continue to salt bath daily for few more days. I think the day after tmrw i will try another little pea. ANY ONE KNOW HOW LONG I SHOULD CONT. THE SALT BATHS? whats the next step.
PLEASE NEVER USE BETTAFIX, or anything with ending in fix. The bettafix will suffocate them, it does Moreno harm than good. So please dont use it
I have a male betta fish that I have had for the past year or so. He has had no previous health problems. I just noticed today that he has a few large bubble-looking-things protruding from his scales on the back of his back closest to his tail. I have never seen this before and do not know what it is. Someone, please help! I don’t know what to do and I don’t want Walter to be in pain. ๐Ÿ™
How’s Walter? Did you treat for Dropsy?
Update – my poor female betta died a couple of days after getting sick (but she must have been at least 3) – then the two smallest tetras died over the next couple of days – one had a white spot on its head. I removed the plants (as it was only after getting them my fish got ill) , changed the decor & most of the water. I had light gravel before with white rocks & silvertip tetras are from black water rivers so apparently the light substrate stresses them out. Anyway my remaining 5 tetras & flying fox seem much happier & I’m going to forget live plants as everytime I get some, there’s a problem.
We have a male betta who all the sudden seems to have a slightly deformed face. Almost like mouth is partly sealed shut and forehead is prutruding. I read tons of comments on this feed and couldn’t find another description like this. Some white areas under mouth and front part of under belly. He isn’t acting normal. Not swimming up for food like normal staying near bottom of tank or in a corner. We used to clean tank once every two weeks with complete water change then recently were told not to and started only replacing a 1/3 but there is way more ” scum” on fake plants and rocks in tank than there’s used to be. Also added. Tiny frog to tank that fish expert guy at petmart said was fine with Bettas.
I’ve read about all sorts of symptoms but nothing about deformed mouth/ face. Any suggestions?
My female Berra has been pale and not moving much laying at the bottom of the tank since yesterday. I’ve put her in a separate tank with a bit of Epsom salt – she’s off the floor moving a little but her scales are raised. She did eat earlier I just don’t know what to do next any suggestions?
Lethargy and raised scales indicate Dropsy. Dropsy can be fatal if not treated in time. It’s basically fluid buildup pushing on the organs which causes them to press against the skin causing the scales to flare out like a pine cone. I’m so sorry. Poor little guy.
Sadly, if it’s not Dropsy. Then it is most likely tuberculosis, which is most definitely fatal. Currently, there is no cure. The parasites are immune to most treatments. Best of Luck to you.
I also have a baby Betta that Hops..yes hops along the bottom of her tank when she moves. She has a hard time getting to the top and I haven’t seen her eat, but I’m sure she does because I have had her a few weeks now. I crush her food.
My betta has been on his side for a few weeks now. I did the whole pea thing and put him in a hospital tank, but he wont get upright. Then I thought Dropsy. I gave him some Epsom salt baths, but nothing has gotten him off his side. He usually just hides in his hidey hole, but will swim on occasion. Is there any other suggestions to get him upright?
Sounds to me like your fish has swim bladder disease. Poor little guy. If his swim bladder is damaged from over-eating, fasting him for a day or two and adding aquarium/epsom/sea salt to the water should help. Some fish are just born with a weak swim bladder (more common in double tail bettas). To make his life less stressful, lower the water level and provide plants and things near the surface for him to rest on.
Adrianna Gonzales
She now has 2 purplish patches on her back near her top fin. I’m so worried.
Adrianna Gonzales
I have a young half moon Betta and she’s a light greenish blue. I just got her like a month ago. She was full of energy and when I first got her and would swim up to get fed everyday. But recently she stopped being so energetic. She lays on the bottom of the tank and it looks like she is having trouble breathing. She will then swim around fast then stop and let her body drift down. She’ll go face down in between the rocks of her tank and stay like that for a long time. It’s either face down or just laying down on the rocks still.
Did you find out how to treat your fish? Mine has absolutely the same symptoms.
A beta fish that has any kind of disease can it spread to other pets & humans
My betta fish has puffed out eyes and he isn’t eating, also he seems to having trouble swimming upright. Please help me if you can!
Did you figure it out? Mine is having the same problem right now ๐Ÿ™ One swollen eye and floating at the top of the tank on his side. He’s been doing this for weeks now though. I thought it was swim bladder so I tried reducing feeding & that didn’t help. Honestly he looks like he had a stroke? I want to save my fish but I feel clueless as to what to do even with countless hours of online research.
The eye thing is most likely popeye. It can come from dirty water or tuberculosis. If you don’t clean the tank enough it can be treated and then you should clean the tank more often. If it’s tuberculosis then I’m sorry but there’s no cure for it.
I noticed a small blue spot on my betta a couple weeks ago. Now he has another, slightly bigger one. He seems otherwise healthy. Any ideas?
My female betta looks like she might have fin rot but she also appears to have white stuff on her body. I’d say it’s mild to moderate fin rot, I was planning on getting aquarium salt today to treat it but now with the white stuff I’m not sure what it is.
It’s Ich disease. The white spots are the ich bacteria. It comes from dirty water so I suggest doing a full water change and starting treatment. The fin damage might be fin rot but it’s most likely damage from Ich.
My male betta has a large bump on tn side of his face. He is slightly dis colored in this area. When I first got him, the bump was there but I’ve noticed it growing in size. Can anyone help me figure out what this is? Or if it’s natural or not? Any input is appreciated!
I have had a blue Beta, Ted for about 2.5 years. He is always very active and it was work to catch him to change his water. I’ve recently noticed that he isn’t active anymore and will lay at the bottom of his bowl. His fins seem to be clumping too… Any ideas?
robert juliano
bettas usually only live for 3-4 years so you have a moderately aged betta his decrease in activity could be due to his age
I woke up this morning and he was swimming, than an hour earlier, my dad came up and looked in the tank, he said he thinks chester died! We moved him to a bowl and added conditioner. We have been having bad luck with our fish, but never chester! Yesterday, we lost 3 tetras and the day before that, we lost a platy, we have 2 platies left and 1 tetra, and 4 ghost shrimp. please help, I think he’s dead
I feel sorry for you
I just lost 4 female betas in a week. One of them I’ve had for 2 years Gracie bloated and soon died before I knew she was sick. Bobbie all of a sudden did not have a top lip. Then her eyes buldged and her skin started to shed. Hagitha and Betty I found in their caves. Betty was new. I keep a clean tank but the algae food for my bottom feeders is like a slim ball after a day. my shrimp and bottom feeders are fine. I just don’t know what happened. Please anyone any advise. Total tank clean coming very soon. My boys are in a separate tank doing great.
Hello, Our Beta, Fred is about 1 year 9 months old. He has the cottony patch on his underbelly, we have been giving him about 6 drops of Pimafix, by API (Treats Fungal Infections Active Ingredient: Pimenta Racemosa 1.0%It says it’s a “safe way to treat fungal fish infections, internal and external bacterial infections, treats fungus or cottony growth and body fungus.”) This is what we bought at Petco on Wednesday Jan 8th, they said it would help but the white patch on his tummy is getting bigger and looks like he has an open sore now, tiny, but bright red… Please let me know if there is something else we can try. I changed his water last night and he was acting very weird, staying on the bottom of the tank, not interested in food, he stayed vertical for a while. We are very sad, what can we do?
I have a dragonscale betta whose been healthy. 4 gallon tank with pump and heater. He’s alone. I’m meticulous about his water conditions. In December I noticed small lump by the side of his right gill. It’s gotten bigger and I tried Lifeguard to see if it might be sufficient to reverse what I was seeing. There was no sign of reversal and this lump continues to grow. It’s not affecting him at the moment as he’s eating and swimming normally. I’ve taken a pictures of this growth but in the picture it appears much darker than when viewing him live. When he’s swimming away from me, I see white under the discolored scales. I hope this is something I can take care of because he’s a great pet! I can’t attach photos here or I would provide them. Thanks.
Hi Sandra, just wondering if you ever got any answers about your fish. I have a female and her growth is on the left side behind her gills. Sounds very similar to what your guy has. Slow growing mass, underneath the scales, appears white. Fish is active, swimming and eating and otherwise seems normal and healthy.
Isha Waldgrave
Hi….there’s fine sand particles trapped between the scales of my betta. Why should i do?
R Anan
Someone gave us a betta fish and we are clueless about its care. We purchased a 2.5 gallon tank, a water heater and treating our betta with bettafix but she is loosing her tail and has white spots on tail and nor on body. Growing quickly. We took it to pets mart yesterday and they said betta fix will help but it is not helping. I feel so bad. I was insistent on not accepting the fish but the gentleman forced us. I do not know anything about fish and I feel terrible. Someone plese help. I do not want the fish to die due to my lack of knowledge.
Emma Hirsh
You should just google it a few times, it sounds like he’s got finrot and also a bad case of columnais. Also, you should have done your research, even a cat or dog needs researcher before buying, especially exotic pets like betta fish.

You should google the symptoms and if anything comes up research the sickness and the cure,

If your Betta has white spots you need to treat it for Ich asap. Bettafix is a mild and all natural treatment that helps heal the fins and body however it will not cure fungal or parasitic infections. Ich is a very common & very contagious parasite caused from a combination of poor water conditions, temperature fluctuations& stress. Petsmart and Petco sell various Ich treatments. It is typically a liquid bottle & has instructions, including taking the active charcoal (filter pad) out of the filter- you’ll need to follow the instructions carefully (do a 25% water change prior to treatment) and treat the fish for 4-6 days or until white spots disappear. Hopefully that clears it up & he is ok!
My fish has a string like thing on its under side please help
Emma Hirsh
If you don’t know that much about betta fish, you should research a lot more. That doesn’t mean hitting the books, it just means you should do some googles searches about tank size, heater, filter, water conditioner, light, etc. if there are two of them that means they are just find and you should calm yourself, if there is one of them something is wrong.
Just here to help
I do believe that it’s not anything to worry about, im not a fish expert but I have had multiple fish and know that it could quite possibly be waste(poop) from your fish. But do not ride on my knowledge because once again I’m not a fish expert.
Cindy Starner
I left on a vacation and when j came back the water was disgusting. My beta seems to have lost half of one fin also he is laying on his side and isn’t eating all of his food. What is wrong
I inherited a betta fish that is probably around 3 years old and has always been kept in a fish bowl. Recently he has been staying only at the bottom of the bowl and has lost some color. Is it too late to get a tank and try move him? And if so how should I do it? I understand that fish should not be kept in a bowl.
If the bowl is at least 1 gallon then your fish should be fine. They generally dont live more then 2-3 years in the first place so if he/she shows no physical symptoms of disease it could just be old age and that his time is almost up. Its very rare for them to live longer then 3 years, 5 is usually their max life expectancy. I mean you could try BettaFix, a bigger tank, new food or more toys/decor; but it’s most likely just old age.
I have a betta I just recently gotten, a rose petal male. He’s white body red tale and his top dorsal fin sticks up and is kept together, not flared out. He does swim more now, at first he wouldn’t swim much at all. I have him in a 4 gal round tank, and he was like this when I got him, but his fins are a little ripped. He seems healthy with all the swimming he’s doing but I’m not sure. Help!
Emma Hirsh
It sounds like he is healing from fun nipping or fin rot. If you don’t be know though, don’t ask strangers on the internet. Just google it and if, like, the three top sources say the same thing it’s probably true
My betta fish that I got almost 2 weeks ago might have the start of a minor infection as he is missing a few scales on the sides of his body and on his head, and I noticed that today he started rubbing up against my clumps of dwarf hairgrass like he’s trying to itch himself. Otherwise he seems pretty healthy: swims everywhere, explores every part of the tank – especially areas he can’t fit because he’s too big (even the small shrimp cave meant for my Ghosties and that might be where he knocked a few scales off), he’s eating his food and not being aggressive with his tank mates. All of his tank mates appear fine and I got them all around the same time. I’m going to go to the petstore I got him from to buy medicine for him today.

Also the tank has live plants, smooth river rocks, a medium sized aquarium decoration that looks like a pot, Eco-complete substrate, a gentle filter and a heater. Nothing sharp to catch on his fins, and I don’t think he burned himself on the heater as he is rarely back near it whenever it turns on, and it doesn’t get that hot.

I purchased a blue bodied and white fined male half moon about a month or more ago. I checked him for any abnormalities as I fed him today and found he had some red brown spots or dots on him,one on his gill plate area, and 5 on his back. He is eating eagerly like he has since I bought him. He flares up at the male in the tank next to his.he rests behind his plant like he used to in the tank he was in previously. Was recently moved into a beta tank from my 30 gal . All the fish from the 30 gal are fine and he is in the same type of tank as the other males I have, with the same water conditions, they are fine. The red brown spots appeared very recently on “fish lore”, they said it was just color change, but I’m not sure, it almost looks like bumps. Is this normal and how do I treat him?

Kristin Smith
I have had my half moon betta for a few months now, he was a beautiful red color and now he’s starting to look a bit gray in the body and a silverish purple on his face. He sits at the bottom of his tank in the corner and only comes up for air or to nibble at his food. He barely eats and he lies on the rocks a lot. He is my third betta that I have had and I don’t want him to die. I don’t know what medication to buy. I have cleaned his tank and moved his tank to a different located and moved his plants around thinking maybe he just got bored of what he was looking at. Now I realize he is sick. Please help ๐Ÿ™
My son’s betta is doing the same! I’ve changed the water, used betta fix, fed him less and still nothing.
Did either of your fish recover? Mine has been doing the same for a week now.
I need help my betta female started acting weird. I’ve noticed she’s gotten white spot on her head and around her right eye. Can u tell me what’s wrong? Is it fungus or ich? What can i do for her I’m really worried.
Bob day
If she has white spots on her it’s probably ich. There are drops you can use to treat ich
Brenna underwood
I’ve had my betta around half of a year. He used to be lively and energetic, and was quick to greet people as they walked by his tank. It seemed like he knew when someone would come in the room, he would swim around to the side that the person was on. Now, its not quite the same. He has been hanging out in one destined spot near the top, or inside his Spongebob pineapple house. And when he notices someone approaching the tank, his face flairs up like he’s angry. I have noticed his sides are turning white and sometimes he jolts around his tank, which is odd. I’m not sure what else to do for him. Any ideas?
Shanik Acevedo
I got a beta fish and I just noticed that he has a white lump on he’s body. I have read that it might be a fungal infection or a tumor. I clean he’s tank and everything because some of the rocks started to get like a brownish color. I clean he’s tank every 2 weeks. Help please!!!
Posi our Betta
Prior to Posi, we had a betta who lived for over 4 years, devastated by his loss we did not get another betta until we fell in love with this little guy 2 months ago. He is in a 2 gallon tank, 78-80 degrees, strips show everything good. About 3 weeks ago he developed a white spot by his right eye, after a lot of research we treated him for fungal infection with no results. He’s been active like nothing is wrong only to find out today that the spot has become extremely big. We do not know what else to do. Could he have been scratching himself and given himself a large deep cut?
My 3 bettas are in a 10 gallon sorority, and when you shine the flashlight on them they have gold rustic color on their belly. I haven’t seen them scratch on the rocks or the plants, their fins are also are not clamped. What should I do?
Hey guys. I just got a Betta yesterday and noticed that his mouth is completely white. I thought it was normal when I bought him because his fins are naturally white but I’m worried it might be mouth fungus or something similar. He is full of energy and is eating fine even though I’ve had him less than twenty four hours. The white is only on his mouth and there are no tendrils or fuzz to indicate fungus. Like I said, it just looks like his mouth is white.
Mary Croxen
My Betta fish is blue with two red fins in the front of his body, the last week the fins under his belly are getting a light redish color and I don’t know why. I’m worried about him, please help with any advise. He lives in a 5.5 gal tank, I keep LED lights on 8 hours a day, he has a filter (I use plants as a buffer to soften the force of the filter). He has a heater, I keep the temp just under 80 degrees at all times. He has two silk plants and a gravel bed. The water change schedule is 25% of the water one week and 100% of the water the following week. I add Aquarium salt when I do 100% water change, I add water conditioner in the recommended dose every time I put in new water and I add stress zyme+ once per week (aquarium cleaner). He is very active (jumps when I feed him!), I give him lots of attention and he likes to play games. I just don’t know why his belly is getting redish pink. Any advise will be appreciated.
Katie Michelle
I’m not sure about the reddening of the belly, but a fish tank should never have a 100% water change unless the tank has contracted an unwanted bacteria or fungus. you’re completely erasing your good bacteria and tank chemistry every time you do this, even if you do use the salt & stress zyme.
Is my betta fish supposed to have like yellow dots on only its head. I’m really freaking out and I don’t know what to do! Please help me!
SJ Himes
My betta cut himself on a tank decoration (it was sold as betta safe, I have since removed it). The cut is deep enough I can see flesh. He is swimming well and feeding, but I am worried he may get an infection. What can I do?
Hi! I got my crown tail betta (bubbles) about 2 months ago and he was BEAUTIFUL! He was blue with a red tail! He is still colorful but not as vibrant as before. I change his water every 2-4 days and I add a declorinator, he has a plastic plant & a fish bowl. I feed him betta pellets which he doesn’t eat. He has a pink fungus/growth on his stomach area and it is getting bigger and it’s getting white cuz on it. It doesn’t match any of these descriptions. I’m really worried as he isn’t as active as he used to be! PLEASE HELP.
Hi my Betta either stays at the surface of the water or lies at the bottom of the tank, only coming to the surface to breathe. He doesn’t seem interested in his food, and its head is turning black. What should I do?
I have a beta who suddenly developed bloating on both sides of his neck. What can I do?
So I have this white short fin male betta can’t remember what kind he is but I have had him for a while and now he is getting these black blotches and one of his eyes turned black, he seems like he can still see but I don’t know how to fix it. I have him in a treatment for fungus but I don’t think it is helping, any recommendations?
From the term ‘short fin’ I believe he is a plakat. As for the black blotches and eye color change, I believe that he has some marble in his genes. If you don’t know what a marble betta is, it’s a fish that can change its patterns occasionally. They usually have a white or cellophane base with other splotches of colors on it’s body and black or white eyes. Nothing to worry about!
Cathy Wiley Lucero
How much Epson salt do u need to put in a 10 gallon tank to treat swim bladder?
Okay so I have a betta fish who’s stomach (or bladder?) area is swollen on both sides, his top fin is slightly clamped and I’m not sure what this is or how to treat it. Please let me know if you have an idea of what this might be? Thanks!
I have a 3 gallon tank with a filter I am seeing this rainbow color kinda thick layer on top and my beta wont eat his food? Any ideas?
Hi. I have a young female crowntail betta that I just got a month or two ago. A few days ago I noticed that she was only floating at the top of the surface, and not taking much interest in food, which is unusual for her. I also noticed that her fins were staying clumped up, and today I saw some yellow almost pollen looking dust/ stuff on her had, back, and fins. I thought she just needed a water change, but now I am really worried because little Hoshi remains virtually unresponsive. I treat her water with a water conditioner that dechlorinates tap water. Please help, I have absolutely no betta owning experience, and I’m really worried! ๐Ÿ™
Sounds like velvet. Check this link for information on what it is and how to treat it.
Lena Jones
I have a King Betta that has recently developed a hole on the front part of his gill and just that part of his head is a bit swollen too. Any ideas on what the cause could be? He’s in quarantine now from the other fish who are just fine.
Lena Jones
I have a King Betta (Bruce). He’s normally all friendly and coming to the glass for meet and greets and is a pig. About a week and a half ago I spotted this little white worms in my tank (planarian). I did a complete tank/water change. Took the tank outside bleached, scrubbed thoroughly and dried it out. Now Bruce has a hole in one of his gills towards the front and that side of his face is swollen. He’s in quarantine now from my other fish and they’re fine. Any ideas on fixing this issue?
Melody Love
I just came home to my betta fish dead at the bottom of the tank with cotton like mildrew over the head eyes and half the upper body! He was one of my first fish so I wasn’t sure what signs to look for in noticing your fish is sick, but after reading here I see there were clues and I wish I did research before I killed him. A few weeks ago I noticed he wasn’t swimming as much and wasn’t eating that much barley anything, couldn’t swim well and was floating to one side more. I thought it was the water so I cleaned it. He seemed to be getting better showing more movement and eating. I left for Peru for 17 days, had my girlfriend feed him while I was away, when I return he was still doing what seemed normal at the time. I left for Austin for a week came home and he was long gone. My question is: Did the mildew/fungus happen over time or did it begin slowly and I could have noticed it on him and change this outcome. I didn’t see any signs of anything on his body 7 days ago. He is not covered in it and it breaks my heart! RIP Ruby!
Sadie Cornelius (Admin)
Melody, so sorry to hear about Ruby! Sometimes the signs and symptoms of Betta fish diseases are not easy to see or spot so I’m sure you did everything you could have to have saved his life. Depending on how long you had him it could have been a result of age as male Bettas usually live between 2 and 4 years.
aron pker
My fish just died and he had no strength to swim up and there were brown spots in his sides.
Sadie Cornelius (Admin)
Aron, so sorry to hear about the loss of your fish!
Dawn Berezoski Fetterman
I have had a male betta for about a year. He is in a 5 gallon tank, Floramax substrate, a few live plants, a resin bridge, filtered and cycled. Heated to about 80-82. I test the water with my API freshwater master test kit. Ph is 7-7.2, and ammonia, nitrates, nitrates all register zero. He has had some issues, an eye with what looks a scale over it, and then some kind of thickening in his ventral fin, more towards the caudal area. The scales running from about midsection of the body vertically look a little raised, but just in that one area. I am not sure what this is. He could have had popeye, it was hard to tell but it appeared to be a little pushed out so I treated him with two cycles of tetracycline with the appropriate water changes. He had not been an active as he had been a few months ago, but it became more pronounced after treatment and he now will lie on the bottom of the tank, appearing to gasp for breath, or he will hang out on the suction cup behind the heater near the top of the tank. He will still swim around the tank, maybe once a day, but other than that he is pretty lethargic. Three days ago I changed out at least 40% of the water, rinsed out the filter, added carbon back to the filter and added some aquarium salt. He did seem to perk up a bit but the result is not long lasting. He did eat a few pieces of pelleted food last night. He seemed quite interested in the food but only ate 2 or 3 pieces and then swam back to the bottom. Any suggestions? Thanks!
Jo Nottelling
I have a pure white male Betta. He is the only fish in the 5gal tank. Sometimes he has streaks of blood in his fins. His behavior is never effected, and he does not show fin rot. Today he is showing a lot of blood in his fins still acting normal. Any ideas? I was going to go test the water but the pet store is closed now due to it being Sunday.
I just got my betta a couple months ago and he has always had a bubble like white lump on his face but just recently he has gotten another one on his side and I don’t know what it is or how to treat it it’s hard to describe so I have attached links to his pictures showing the lumps.!AlfcsCc6tYGRgXew0mg_KmJj1QX4!AlfcsCc6tYGRgXmL3MuK2r-Jviv3!AlfcsCc6tYGRgXorGkQXF7MaXn0Q

Steph Lombardi
Got a betta fish on Monday. It’s now Friday and showing signs of fin rot and infection. I removed him from the tank today while I boiled the rocks and decor and thoroughly cleaned the tank. Replaced the water, treated with water conditioner and let the filter run while I ran to petsmart. Got bettafix, treated the tank and returned the fish to the tank.

Fingers crossed he’s still swimming tomorrow. He’s not looking too good

Sadie Cornelius (Admin)
Steph, sorry to hear about your new fish but hopefully the Bettafix will do the trick!
Steph Lombardi
He died a few hours later
Sadie Cornelius (Admin)
Steph, we’re so sorry to hear!
My beta is displaying some forms of color change (slightly duller in color), and she also has a white speck under her abdomen, but it doesn’t look like ich, what should I treat her with? I’ve been changing the water in her bowl every couple of days or so. Could it be a water temperature issue?
Hey guys, I’m a new beta fish owner and he seems to be having swim bladder disorder…is there a way I can get rid of it and prevent it from coming back. He had is once before but then he got recovered. Now, he got it again. Please help!
Hi, my beta fish that I have had for about one or two years is not eating anymore. I’m saw a spot and I think his fins are less flared but I don’t remember what they looked like before. My parents are telling me that there is nothing I can do but I don’t want him to die. Please help!
Hi! I have a crown tail Betta that I have had for a year now, he has shared his tank with an algae eater (a little aggressive), my Betta and the algae eater have been fighting, the algae eater tries to suck on his sides and my Betta turns on him for doing so. He has not eating in 2 days, he stays at the bottom of the tank so I put him in a smaller tank that I have so he does not have to go very far to get air, well I noticed a red bump on his side close to his tail, then when he swam around the tank I saw that he has a spot that kinda looks like a whole on his other side, I am not sure if he is sick or if its from the Algae eater trying to suck on my Betta.

Please help I am really worried.

Did you purchase that algae eater under the name of “Otocinclus catfish”? Otocinclus catfish aren’t aggressive. However, Chinese algae eaters can be mistaken as them. Chinese algae eaters grow huge and are very aggressive, sucking holes into the sides of fish and killing them. Please relocate your algae eater before it kills your betta.
My male beta (Master Beta) has become lethargic, stopped making his bubble nests, and not eating. When looking down on him, his scales appear to be flared out. Any suggestions?
Sorry, he has dropsy. He will probably pass of kidney failure as there is no cure for it. Keep him isolated if you have other fish and try to make him comfortable for now.
Heather Chandler
That’s dropsy. Internal organ failure.
We’ve had my Betta for two months and this week when I cleaned his tank I noticed that all his fins were clumped together. I cleaned his tank and when I put him back in after I was done cleaning his tank and I noticed that he was staying at the bottom and only coming up every once in a while. I tried to feed him and he would just eat and then spit it out and he started racing around the bottom of his bowl do you know what’s wrong if so please help!
Heather Chandler
Do you have a water testing kit?
Genna Carter
I just got my betta about 2-4 months ago and when I first got him there weren’t any decorations except the filter and heater so i noticed some scales were “falling off” I guess but he is bright blue and on the top of his body were clear-ish or white scales. Now he has some plants and is making bubble nests and eats happily, but I noticed there are some white and some are an orange-ish red. I’m new to this so do you think this is hurting him? I would appreciate it.
Sandra Martinez
You didn’t finish past orange-ish red-ish. A bubble nest means he is happy and wants to spread his seed.
Heather Chandler
False. A bubible nest is instinct. NOT indicative of a mood.
Sandra Martinez
Did you read the whole thing? She didn’t finish first off. And bubble nests means breeding he is ready to breed. I have 4 rescued bettas, I had 7 but 2 of the males and 1 female where just to sick to make it. Mine have been with me a year at the least maybe longer. I stopped counting. Anytime mine make nests they want to breed. There is a difference from just bubbles from breathing and a bubble nest. Yes mine have already breed with mass success. Crown tail and veil tail.
Adam Edmond
I love the idea of having a first aid kit for my betta! I do keep Bettafix but the rest of the items are simply useful. Will stock up on the rest. Love the idea so much, I think I’m going to create an infographic on it.
Sadie Cornelius (Admin)
Adam, thanks so much for sharing your first hand experience with first aid kits. And can’t wait to see your infographic!
Indu R
I have a female betta that has a silvery goldish spot by her gill area and her fin area.
I am having a problem with my betas. I have had him since late September and he was a very active fish. He did not mind tank cleaning or anything thing. Always happy to see me and was feed twice daily. Morning and night. Done this with all of my fish. Had no problems. I got a new beta and later decided to switch tanks around put my old one into a bigger tank and the new one in the old tank. My old beta that day swam then he started laying at the bottom. Not normal for him. He stay at the top a lot and started going onto his side! I put a tap water conditioner in and also a PH fixer that we use for all of our other fish. That same day he died that fast. I got a new tank like the old one cleaned it well. And got a new one and he is doing the same. Not moving moving from the top and not eating. Could be because he is new but I am very frustrated with this and I have not had problems like this before! I would like some help finding what it could be and what I could do to stop it if this happens again. The other beta I got in the old tank is doing great! Please help me. ๐Ÿ™
Sandra Martinez
You can’t use products like soaps including dish soap or any soaps to clean tanks. For betta fish only aquarium salt. Also it’s good if you don’t just dump them in the water. Let them adjust in their container placed in the new tank water. If it’s none of the above your heater or filter may be shorted or electrecuting them, the water may also be either to cold or hot.
Heather Chandler
Get a good water testing kit and Seachem Prime. A tank actually has to cycle a while before adding live fish.
Leeah Henson
My betta used to swim around and I swear he would come see me when I walked into my room and stopped at his tank. Everytime I fed him, he would immediately eat. Now, he doesn’t swim around much, he just sits at the top of the tank and I never see him eat. His color is fading. This all started agter I changed his water. I put a water cleanser that was recommended to me at the petstore and followed directions accordingly. He was fine the day of and then days later he started changing. What do I do? I want to save my Gil!
martha navarrete
My kid has had his betta for the last 3 years and we just notice a big lump in his body. Please tell me what it is. He is always laying down in the bottom of the tank.
Heather Chandler
What is the size of the tank, what are the water parametera, filtration system and what temperature do you keep the tank?
My Betta’s head is black and has a little black spot on her tail. I got her 1.5 weeks ago. She always stay on the bottom and only come up for air. She doesn’t eat much. PLEASE help!
Taline Doursounian
My sister’s beta seems to have the same issue- scales on its head are black (the fish should be blue), very lethargic. Additionally, his fins are clumped, he may have a few gold spots. I’m not quite sure what’s going on.
Heather Chandler
What is the temperature of the tank, size of the tank, water parameters, and heating /filtering system?
My Betta fish is always floating at the top, being in-active, and is showing NO interest in food. Will BETTAFIX fix this problem?
Sadie Cornelius (Admin)
Betafix is a medication that will prevent the development of clamped fins or
velvet fins but will not necessarily treat the symptoms your fish is currently experiencing. It might have one of the other illnesses mentioned above but you might try cleaning the water to see if that helps!
Heather Chandler
No. Betta fix and melafix have a long history of damaging a betta’s labyrinth organ.
I have a Betta fish who is a year and a half old, and he/she is always at the bottom of the tank, and not moving much. He does eat, however. He eats frozen blood worms. They only way he moves without me having to do anything is just swim to a different spot in the tank. This is my first pet, and I don’t want to lose it so quickly considering Betta can live for over 4 years. I really hope someone can help me and tell me what I should do. Thank you!
Heather Chandler
Some bettas can live for 12.
dropsy can be transferred through live food, are you thawing the bloodworms a bit? you shouldn’t feed them frosty bloodworms. As for curing it, I recomend simply looking for some medication. HE shouldn’t be getting old already.
Things to Consider : what tankmates does he have? ( look up good tankmates)
Whats The temp. of the tank/bowl? ( 74 – 82)
Does he live in a bowl or tank? ( Tank is better)
white spots? ( ich)
Not eating? ( maybe give him/ her a thawed pea)
Getting fat? ( diet)
Spits out Food? ( improper diet or depression)

I’m not an expert but I do recomend considering the above

Xiaoru Xu
Its my first betta fish (and my very first time keeping a fish)…. hubby got it for me from petsmart. So my fish is not eating…. I don’t know if he is sick…or he is just getting use to the new environment. I feed him aqueon betta food and tried to crush them into almost dust like in case it is too big for him. So he spent 1/2 time in the bottom of the bowel and half time swimming around. So I don’t know if he is sick…. or getting use to the environment….or he doesn’t like this food. PLEASE HELP!
Heather Chandler
It’s poor water conditions, likely. Bettas need to be in a filtered, heated and cycled tank to live well. Bowls don’t provide the space. How often do you change the water?
Susan Gargon Centineo
My betta just lays at the bottom … his mouth is open. He tried to swim up for a pellet of food, and seems to be making a great effort, but doesn’t always make it. Every now and them he swims in several fast, frantic circles at the surface, and then falls back to the bottom … what can this be? He LOOKS normal, beautiful color, no ick or anything that I can see.
My fighter Grumpy (named cause he flairs at me whenever I watch him) has a large white gash which looks as if he’s been bitten but he lives with little corys who are not aggressive. After the gash showed up he started getting really bloated and my fish shop as well as my exotic animal vet don’t know what is wrong with him. At first we tried treating him with Melafix and when that did nothing we started treating him with Tri-Sulfa tablets but he still isn’t getting better. The white gash isn’t getting worse but it’s not healing and his bloating keeps getting worse, he also seems to have gas. Every now and again I see him doing this strange thing with his mouth it looks almost like he’s burping. At the moment his swim bladder is not affected, but he is sitting at the top of the tank. Tomorrow I’m getting him some blood worms because so far I’ve tried fasting him, soaking his pellet food so that it swells before he eats it, I’ve tried giving him a small piece of pea but the bloating is still getting worse I don’t know what else to do. I’ve had him for two years and I’m terrified I’m going to loose him. Over the past year I’ve gotten very sick and am going into surgery at the end of next month so I really want to get him healthy before my surgery so that Dad can feed him while I’m in hospital. Please someone help us.
You should try BETTAFIX. I’ve heard that it is very good with treating cuts and many people have given it a good review.
Samantha Courtney
I’ve had my better for about 2 weeks now and he has been doing great. When we got him he was in very little water and it was a little cloudy. I felt bad for him so we took him home and gave him clean water and a new home. Today he started laying on the bottom of the tank. He is still eating and upon further observation he is looking a little paler in the fins. No tears or other signs of distress but this isn’t normal behavior for him. I don’t know if I am over reacting but If anyone know if I should be doing something about this, It would be greatly appreciated.
Vicki Lea Krause
Hi, my male betta, Jaws is sick, again! It’s like he gets better, then boom! He’s sick again! My Husband and I don’t want to lose him! I think he has ich, but it’s been a long time since I’ve actually seen what ich looks like. Jaws has some discolored scales that are white right around the area of his small fins and they’re also discolored and white! Please any help is greatly appreciated!
I’ve had a female Betta fish for many months and ever since I got her she is white and in the light she has an a very light blue mist is that velvet or is velvet only a Gold to rust color.
From your description of dropsy, my fish, Bob, has had dropsy for the past 2.5 days. I do not and have never fed him live food or worms of any kind. He perfectly exactly 100% matches the description. Is this painful? If so, is there anyway I can put him out of his misery? I feel really bad I need help. I’m pretty attached to him and don’t want to see him go. Help!
I just got my betta fish almost 2 months ago. He’s currently in a tank without a filter, I plan on switching tanks Friday. He’s navy blue but lately his stomach has been starting to turn a almost bright yellow color and his face is beginning to fade. One of his fins is are really thin and the other is still navy blue but extremely blotchy with some spaces both fins seems as if they are slowly perishing. He acts normal still eating and swimming fine. Please help asap (:
Jessica Kay Zavala
I’ve had my betta for only a month. This is the first time I’ve used a filtered tank. He is in a 3.7 gal tank. I’ve been doing 50% water changes weekly. So far, he’s been making huge bubble nests weekly. The past week or so, he has not been making bubbles quite so frequently. He hasn’t made any since my last water change on Saturday. He still swims at the top of the tank, but seems to be spending more time at the bottom lately. Ever since I got him, he occasionally rubs against the side of the tank and on the rocks at the bottom. I did not realize until now that that is a sign of being sick. Should I be worried, and if so, what should I do?!
My Rose Petal died and I am not sure what happened. I did a routine partial water change in his 5 gallon aquarium on Saturday and realized the filter wasn’t working, so I bought another one that was stronger. He seemed to play in the stream and then I found him huddled behind the heater. I turned off the filter for two days and he huddled by the heater and would not eat. I did a partial water change Monday night until his new “slower” filter arrived on Tuesday, and he sank to the bottom and could not swim up. He was dead the next morning. I am crushed b/c he was fine before I did the water change on Saturday. I even felt bad doing his partial water change b/c his water looked so clean and his bubble nest was fabulous. So sad. Be careful with everything concerning these guys. I just keep going over in my head what I could shoulda done differently. He was so beautiful.
Kimberly Alt (Admin)
We’re so sorry for your loss.
Thank you.
Anand Beharry
I have tried spawning three different pairs of bettas and it all ends up the same. I place the male in a ten gallon tank with bubble wrap and almond leaf floating on top. He begins blowing a bubble nest and I introduce the female after floating her in a jar within the tank for a few hours. The male will lethargically pursue her a couple times then seem to loose interest, after a few hours he will begin to lie on his side at the bottom of the tank and will only rise to take a gulp of air and return to the bottom of the tank. I will then remove him and place him back in his jar and after a day or two he will recover. The female is not affected at all. What can be the reason for this situation?
Cris B
I’ve had my betta for about 2 months and just recently he started to “blackout”. He’ll be swimming, eating, etc. and then just drift onto his side and stay like in a shock state for a few seconds to a minute or so. He’ll just be there floating motionless then just as fast he’s back to his normal self. He has a tank that’s a gallon and a half and is alone on top of a bookshelf in my room. We’ve asked the people at the pet stores and they just say it could just be his personality. Please any ideas would be appreciated.
First and foremost, that’s too small, 5 galonss is the minimum recommendation for bettas. Secondly, that’s totally normal “resting” for them. Get him a bigger space with stuff to do, he’s a fish not a decoration.
I have to respectfully disagree that the tank is too small. Our Betta has a half gallon tank with no filter and no heater. He has a moss ball and a few other plants. We change the entire tank once a week with pure spring water (tested to be correct pH, we add nothing to it), and rinse all the plants. He has been happy and thriving for a year. We feed him two Betta pellets each day. Our fish does sleep randomly, but will wake up if we call to him. I wish I could be more helpful.
Kalahan Hill
Over the weekend our neighbors where taking care of our animals and their son feed my fish Sammy way to much than he needed because when we came home his tank had 20 pellets in it and now his tail is turning brown what do I do?
I’m not a fish expert, but I would immediantly remove the pellets, and make sure he doesn’t have bloat or dropsy.
I have a two year-old blue betta and on one of his sides he has a patch that is swollen and white, and bits of scale appear to be coming off, we’ve been trying to treat him with parasite medicine that my brothers girlfriend with many years of fish care suggested, and we’ve been treating him for three weeks and he hasn’t gotten better, he doesn’t show signs of itchiness or loss of appetite however just recently he’s become much lazier. He’s my first fish I’ve looked after so I have no experience with ill fish whatsoever, do you know what he might have?
I have a 2 year old Betta and she has what look to be a small white bubble or ball near her left eye. I have her in a small personal tank, she lays in the bottom of the tank most of the day and she moves, and swims around the tank normal, and she eats normal as well. This is my first Betta, and I’m not sure what could it be or how to treat it. If someone can help me I would really appreciate it.
Mary Jo Gaston Brooks
I have 4 year old Betta who is spending most of the time at the top of the tank and not moving much, when he does swim down he seams to float right back up, my husband did over feed him while I was out of town I have been treating him for swim bladder for a week, withholding food and trying to feed him a pea but he is not interested. I have also put him in a salt bath 3 times and there is no improvement. Please help
Ellen Alicia Jordan Scusa
This is exactly what my beta fish is doing and I don’t know what to do. I withheld food and started feeding him less, make sure his bowl is clean. Will epson salt help? If so, how much?
Check the ammonia with the simple $9.00 kit & if not an ammonia issue then look into Maracyn Two. It saved my Half Moon who always used to float on his side and now he is full of life.
Sandra Martinez
Next time this happens get a frozen fresh pea, put it in the microwave with a little water for a few seconds, skin it half it and mash it up. Then feed it to the fish. This has helped my Betta fish.
My betta is sick and I’m so confused because everyone keeps telling me different things. It all started when he jumped out of his tank 2 days ago. He had must of been out for over an hour because I found him bone dry on the dresser. At first, he seemed okay. Then I noticed his back was bent funny. He kept gulping air the first day and he seemed to have trouble staying down. Someone said he needed Epsom salt for his swim bladder. So I did that and I think it helped because now he can swim down to the bottom of the tank. But now he is breathing extremely heavy. I don’t know if its a bacterial infection or what. Probably too late to start him on antibiotics anyway but I’m willing to try. Any suggestions. He is in a hospital tank now.
Hello, my wife has a betta fish about 4mo old. When she purchased the fish (Rocket), she did not notice that there was a small wound on the right side of his body until after she got the fish home (her office at work). The wound was just below his top fin and right in front of his tail fin. She said the wound eventually healed and everything seemed fine. But shortly thereafter a lump started to appear where the wound was. She recently brought the fish home about a month ago and the lump or growth has continued to grow and and has gotten quite large. He is in a 3 gallon tank with a heater and a filter. His water is changed once or twice every two weeks. The condition of the water is always very good and his eating habits and overall functions to this point are very normal, however the size of this lump or growth are starting to be very alarming. My wife loves this little fish. Can anyone give me any advice or help?
Hi, my mother in-law has a betta and he has lost a little bit of his color and looks a little greyish color, he has a white puffy looking cyst, that looks located in the middle of his tale and she says that they will not eat there fish pellets anymore an that they prefer the frozen blood worms. She has another male in the take but there is a divider between them but is it possible that if he was up against the divider that the other fish could have bit him or something?
My fish has something that sounds similar, does your mother -in-law’s fish’s scales in that area look like their puffing around it? If so my fish has that too and I’m not quite sure what it is either.
Hello my beta fish is 4 years old and turning 5 in June her color has faded and she is having a hard time moving but near her face is all puffy and there are red dots that look really painful is there any way I could help her please let me know I don’t want her to die.
Hello, I have a red female beta fish and she is spending a lot of time near the top of the tank, and is a lot less active than usual. Initially I thought she had swim bladder disorder so I held off the feeding (freeze dried blood worms). There has been no major improvement thus far. The water is clean but not too clean or dirty (so I don’t think the fish went into shock). I have no idea what is wrong and if anyone had advice or ideas please help. I am willing to attach photos too!
I have a half moon betta he sits on the bottom of the tank and his gills are black. He has also turned brown and stopped eating. I do not know why he is sick I feed him two blood worms a day and his tank is 72°. He also has a filter which is set to low so the current is not to strong and I clean the tank every Thursday. I use water conditioner and I test the tank every two weeks for ammonia.his tank is 5 gallons and he has a cave in his tank with 3 plants.
He died this morning at 11:48am.
Sadie Cornelius (Admin)
Maire, so sorry to hear your fish died! Our deepest condolences are with you right now.
Corina Schultz
My betta has been at the bottom of its tank for over 3 weeks now. It is laying on its side. I have tried feeding him a pea, it wouldn’t eat it. I stopped feeding him, as he wasn’t eating his regular food. I have changed half of the water and I have put in a small heater. I just recently added 2 little aquarium salt pebbles into the tank. He was red, but his skin has changed. I have to bang on his tank to get movement from him. He swims to the top, bubbles come out of his mouth and he immediately sinks back down. I have had him for almost 3 years now.
Lacey Casswell
About a week ago I purchased a betta with a fungal infection, popped him in a divided tank with a betta with fin rot, and used Fungal cure by Jungle. The fungal infection killed my fish, so I removed him. After 4 days, I took everything out, washed it all with hot water, and put it back together. Purified water, water conditioner ( it has slime coat in it ) and some aquarium salt. The betta with fin rot is developing what I think is a fungal infection, and his fin rot is not gone. He is sharing a divided tank with a healthy betta. Is my other one going to get the infection, and can I use my Jungle product safely with the healthy betta in the tank?
Joel Go
Hey I’ve had a betta for about three weeks now and his fins have kinda like shriveled up or folded down and he’s lost some of his color. What is this and what causes it?
Lacey Casswell
What are your water levels, temperature, and does he have tank mates?
Hoping for some help. My betta is about 5-6 months old. Was pale blue when we got him and about 2 weeks later he turned dark blue and black. He is in a 2 gallon heated tank with and airstone and 2 plants. On Monday he started with a small white dot on his dorsal fin. It has grown every day and is now white all the way to his back and some of the fin is falling off. He is SUPER happy. Swimming and eating like a champ. I had his water tested at the local pet store and all levels looked good. I have done 2 25% water changes this week. I’m afraid of aquarium salt since our previous fish died hours after using it. Please help!
Hey All,

We have had bettamax for a year now and the last several days he hasn’t been eating and has shown much activity. His tank is clean and has always been we do the normal water tank additives he looks like he normally does but maybe a bit plump ๐Ÿ™‚ Any help would be appreciated just not sure what’s up with the lil guy ๐Ÿ™

The Davis’s

Thanks I have been very worried about my betta’s left eye and from this I found out he has Popeye
Paul Kitching
Nice article.
My Betta had his fins clumped and stays in one corner of the tank. Only had him two days. A water test came back with slightly high in nitrites but he was fine day one. I’ve added Melafix as instructed by the pet store. What Should I do?
And filter boost by love fish which improves bacterial growth.
Sadie Cornelius (Admin)
Paul, so sorry to hear your new Betta fish is not doing well, but sounds like you are doing all the right things to help him recover. If anything might just be a bit of culture shock as he adjust to his new surroundings. If you’re still having trouble in a few days, I’d check back with the pet store to see what else the recommend or maybe @chloethy:disqus can help with some other tips! Good luck and thanks for stopping by to read!
Paul Kitching
Thanks v much Sadie, Yeah, I’ll do that. It’s just annoying when I don’t have a clue what’s wrong with him or what to do.
Sadie Cornelius (Admin)
Paul, yes I’m sure that must be so frustrating but we’re here to support you and hope your fish has a speedy recovery. Thanks again for reading and sharing your experience with our community.
Jessie Kelly
Hey my Betta Charlie looks sick I don’t know what’s wrong with him. He swims less than he used to and he spends most of the time near the top of his fish bowl. It also looks like his color is fading.
Jessie, not sure when you will receive a reply here. Try this link
I just bought a Betta from the pet store and within a day of putting him in his tank, his fins are starting to disappear. There is no red edge or blood or anything typical of fin rot, his fins are just disappearing.
Sadie Cornelius (Admin)
So sorry to hear, @chloethy:disqus any advice for him? Good luck with your fish!
Chloe Thy
Hi, my fish Sebastian has this weird kinda lumpy figure on his head with white surrounding it, his fins are clamped and he has been less active, but he always eats and gets excited when he sees me? How can I help him? Help please.
Hi my fish (tye-dye) keeps floating to the top of the tank on his side. I will refrain from feeding for 2 days. 3rd day I’ll feed him a a tiny piece of a pea to help with a bowel movement. He’ll be fine for a few days and seem to go right back into floating/bloating/ constipation mode. What is wrong with him? How can I help him? Please help. Googling answers and calling pet stores is exhausting and to no avail.


Chloe Thy
It could be dropsy or just swimming bladder issues that keep appearing. Some Betta fish like to eat their bubbles that they blow which causes bloating so yeah. Hope I helped!
Hey all, My Betta Boy has what looks like tiny bubbles all over his body and always in the back left hand corner of his tank right at the top and doesn’t swim around as much as he used to. What are these bubbles and how do I help get rid of them? I don’t want to get the wrong treatment. Also he is in a split tank with another male Betta its designed to hold 3 separated but the water is shared. There is an empty tank/ part between my boys but am thinking as the water is shared my other Betta may get this sickness too?? Help Please!
Screaming Monkey
It’s probably a “bubble nest” that some Bettas will make in preparation for mating.
Chloe Thy
Tiny bubbles over the body could be air but I can’t really give much info since you aren’t very specific, is there any signs of bloating or scales pineconing?
My fish has been acting really odd. The first week I got him he was fine, he had his fins open and he swam around normally. But now his fins are always clamped and he darts around the tank rely quickly, and acts really twitchy. Sometimes he just floats near the surface by the heater. I can’t see any white spots or parasites, plus he’s got a 2 gal. tank that’s heated. Does anyone know what could be wrong here?

(Also, I have one live plant, a banana plant, in the tank. Could that be causing the problem?)

Chloe Thy
Probaly either ick or external/internal parasites. Neither is good.
Caitlyn Bosley
My twin tail half moon Betta (Murphy) has this lesion on his chin that started as a blister, but he popped it on something and now it’s white and really scratched open. His tail also seems to be getting shorter from stress since he hates it when I clean his tank. I want to treat him, but I don’t have another tank to treat him in and I have two galaxy rasboras that I don’t want to over dose.
Chloe Thy
You can first just seperate the two galaxies into a smaller area temporarily for example a container or a glass bowl etc while you treat Murphy
My fish (betta) has lost his back/blue coloration on his head and it is turning brown! The discoloration is moving to the rest of his body and his stomach is swollen (the ares near his gills). Then a little after I changed his water is coloration came back. Due to family complication I stopped changing his water, it was just changed for the first time in 3 weeks! Is he sick or stressed or his he just old? (I got him from a friend that got him from a friend so we don’t know his age) help he was showing discoloration signs before, what is wrong with my fish?
Chloe Thy
You should never EVER not change your fish’s water especially if it isn’t filtered, it’s basically giving the viruses , parasites and bacteria an open door to attack your fish.

But based on the information you gave, he is probably sick, not sure what it is but try doing daily 100% water changes for 1 week and see if it helps.

Samantha Griebel
Can a fish die from a fungal infection?
Sadie Cornelius (Admin)
Samantha, if it goes untreated fungus can spread into the fish’s body which could possibly lead to dehydration, suffocation and blood poisoning which could lead to death. We are not a certified fish doctor though so if you are in doubt, try going to your local pet store to get remedies. Thanks for reading and good luck with your fish!
Nur Irfan โ€œethanโ€ shahrul niza
HELP! My Betta has lost it’s beautiful bright red color and it just laying on the bottom and if it swims it ends up unbalanced. His left fin is on the bottom while his right fin is on top so he’s seeing sideways. He also has swallow eye on his left eye and i see his red gills clearly dark red color. HELP!
Popeye and swim bladder, that’s what it sounds like.
Candy Servin Keough
My Betta has lost it’s beautiful deep blue color and is resting at the bottom of the fish bowl. I have always used distilled water. I originally gave the Betta pellets but it always spit them out. I was told they are bottom feeders. He didn’t have any energy and just slowly swam around. After months of owning the Betta I started giving him flakes. He would go nuts and eat like crazy. We fed him a lot as he gained so much energy and scarfed up every drop. Now it’s been a few weeks and he’s not eating and obviously sick. When I cleaned his little bowl, I would take out the little plastic leafy thing, scoop out the Betta with a net, which he stuck to and I would gently drop him out and put him into the little plastic container he came in with clean distilled water. I then emptied the fish bowl into a strainer and rinsed the plastic decor, marbles and bowl with super hot water. Then I used a slight touch of Dawn detergent and washed everything and rinsed thoroughly with very hot water. Then I put the marbles and plactic thing back in and added more distilled water and poured the Beta into the bowl. The only thing I did different this time was to also feed him again right away. The first thing I noticed different is he stopped eating. Then the discoloring and hanging at the bottom. I will go buy Betta water and try that and don’t feed him for a week and see what happens. Unless you can tell me different. Please help me.
Chloe Thy
First, fish bowls are abuse. Second, plastic plants can cut your fish’s fins. Third, nets can harm your fish. Fourth, detergent can poison your fish. Fifth, Bettas are not bottom feeders. Sixth, your overfeeding your fish. Seventh, he is probably either bloated or getting old or dying from internal parasites.
My fish has dropsy
Chloe Thy
Most likely yes, sorry.
Hey there! Just curious, is it possible for the Betta to injure his gill while finding a place to scratch for Ich? We have figured out that our fishy has Ich, because he has all of the symptoms, but it appears now he has one gill protruding out and he seems a little labored in breathing…
Sadie Cornelius (Admin)
TC it is possible that it could have torn while scratching itchiness from the Ich – the good news is though the gill should repair itself back. Just like skin grows back on human – the fibers will be thin at first and it will take some time to self-heal but hopefully your fish will be back to normal soon!
Skye Davina Williams
This is also a likely sign of gill flukes.
It sounds bad but the medications are 5-10 times more expensive than another fish….and sometimes don’t work. Keep your tank clean and at the right temp, use a little salt and conditioner for changes and the likelihood of your wet friend getting sick is very low. If your fish looks really bad, get another one.
Sadie Cornelius (Admin)
Those are great tips, thanks so much for sharing!
So, which meds can be mixed together for advanced fin rot? Thanks.
Sadie Cornelius (Admin)
Jenny, you might try: maracyn I or II, Jungle Fungus Eliminator or minocycline, kenacyn/kanamycin, tetracycline, and many others are available under various names, sometimes generic ones which typically can be found in fish stores. You should advise with them as they are experts and can treat your particular situation. Hope that helps!
My female Betta has had advanced tail rot for 5 months and I’m currently dosing with Kanaplex by Seachem.

Initially, I treated with Aquarium Salts giving 2 treatments over 8 days along with Stress Coat. Administered a second treatment 2 weeks later with no improvement, and the disease progressed.

Moved Betta into a hospital bowl as she was having difficulty navigating the depths of the tank water with the loss of her tail. This also meant more frequent full water changes going forward. She seemed happier and had an easier time perching on her leaves.

Began treating with Jungle Fungus Clear and Stress Coat. This may be effective for early fin/tail rot but showed no improvement with my girl’s advance stage tail rot. Jungle Fungus was administered for two full treatments over one month’s time. Always follow dosing instructions to a T. Once again, treatment also failed.

As much as I wanted to avoid antibiotics (abx), the bacteria was closing in on her body and I could see blood at the base and her tissue had turned a cottony white so I ordered Tetracycline online and began dosing with it along with Stress Coat.
When dealing with any medication, follow the dosing schedule exactly as instructed.

I then learned that Tetracycline is not as effective anymore due to abx resistance and it’s also not a very good broad spectrum drug. I do think it helped slow the progression a little but after 2 1/2 weeks the tissue was still a cottony white with some red splotches.

Finally, as I stated at the beginning, I began dosing with Kanaplex, Stress Coat, and I’ve added 1 tsp. AQ salt – doing full water changes every two days but starting tonight will do a full water change every 24 hours for the final 3 doses.

This morning I noticed the cottony white tissue is now a gray beige in color. I don’t know what this means and I cannot tell if there is new growth but I am hopeful we will defeat this disease.

I’m sorry for the long drawn out saga but I wanted everyone to know that I took conservative steps in the beginning because I did not know how to recognize how severe her condition was. I read all the aquarium blogs because the local fish store folks had no knowledge about fish – they would just throw out what they thought was the problem and then they would suggest a treatment. The same can be said for the blogs on the internet. Know the disease you are trying to treat and do your research. Be wary about one person’s experience or opinion and seek out the sites that have experienced professional aquariamists ready to answer your questions.

As a side note: my adopted Betta came from a former co-worker who left her Betta in the care of another co-worked. She overfed her and didn’t clean her 1 gallon bowl for weeks. When I came upon her (the Betta), she was swimming in stinky, filthy water and had already lost a portion of her tail. From then on, I cleaned her bowl once a week which I learned was negligent for a 1 gallon bowl and so I started changing the water every three days. By now she was getting the AQ salt treatment…

Folks should never ever adopt a pet unless you know the full scope of care that is required. I now have an arsenal of products for my own emergency RX kit by default.

If you are reading this and contemplating getting a pet Betta – do your research first, invest in a 3-5 gallon tank (for 1 Betta only) with a gentle filter and heater, do not add sharp instruments or plastic plants, stay away from those green plant balls (they do become moldy) and will make your fish sick. Offer a healthy and varied diet – not just pellets and invest in a liquid water tester. If you add an aquarium light, it should be very dim because bright lights will stress out your fish.

Elynna Zhang
Thanks so much!!!
Sadie Cornelius (Admin)
You’re welcome, thanks for reading!
Thanks just realized my Betta fish has 1 fin rot weird because I kept his tank extremely clean. But my Betta fish storm, is like half dead half alive. Looks like he’s using 1 gill and 1 fin and sits vertically in the tank and looks like he can’t open up his mouth. Please help.
Chloe Thy
This comment is old and I don’t know how Storm is doing but he has parasites most likely.
Steve Wilson
Awesome post! I am glad I happen to be here. This is a good article about pet fishes.