Animal Stories - Fish Disease and Treatment


Animal-World Information about: Fish Disease and Treatment

Introduction to aquarium fish diseases and treatments.
Latest Animal Stories
Gustavo Palacios - 2011-09-30
I have a 1.8 gallon globe tank. I started with 1 bala shark, 2 tiger barbs, and one high-fin black tetra 2 weeks ago. Last sunday I got another bala shark, another high fin black tetra, and a pink kissing gourami. I dont know why, but since yesterdey morning, the pink kissing gourami won't do anything, he's still alive but won't do anything. And today, one of my bala shark just died. Does anyone know what's going on?

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  • Charlie Roche - 2011-09-30
    Rule of thumb is one inch of adult fish for each gallon of usable water. You are saying you have a 1.8 gallon tank and you have to subtract gallons for filter, decorations, gravel etc. Your tan at 1.8 gallons isn't big enough for even one of these fish. I am sorry. Also you have a bala shark in there which will grow to about 14 inches so he would need a 20 gallon just on his own bare minimum. Another problem if a fish can fit another in it's mouth, good chance he will see it as food. The bala shark is a good community fish and is usually OK with smaller fish but the tank is just too small and the fish could/will stunt and possibly die. Based on the number of fish and their adult size - you would need about at a minimum a 30 gallon tank. I would also check the conditions of the tank as far as temperature/PH etc.
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david - 2011-09-28
Hello. I really enjoy watching my Raphael. He does seem to stay hidden during the day but at feeding time he will come out and explore. He seems to get along with the other Gouramis in the tank and he does not bother my pleco who is a little smaller than him. I was concerned though, he seems to have a big belly. To me it seems abnormally large but I can not see how he could be overeating, since I watch what he consumes and it seems to be no more than 1 shrimp pellet and a few nibbles of algae wafer every other day. Any ideas?

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Amit - 2011-09-28
I have a pair of Oscars which I bought a week ago. One of them seems to be going blind. Though it can detect movement , when I try to feed it tries to eat but misses the food altogether. What could be the problem and how can this be cured?

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  • Charlie Roche - 2011-09-28
    Look up Cloudy Eye or Eye Problems on the Animal World Article FISH DISEASE and the corresponding recommended treatment is listed.
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Anonymous - 2011-09-27
Hi everyone. I'm having a really hard time managing my nitrate (NO2-) levels in my 5 gal tank. Everything else is perfect. The levels have now reached "stress". Any suggestions?

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  • Charlie Roche - 2011-09-27
    There is an article on Animal World regarding Aqarium setup. Scroll down and there is a chemical you can put in the tank Nitra sorb that should correct the probelm Nitrate so just look over the article. OK?
  • Anonymous - 2011-09-27
    Nitrate is NO3, nitrite is NO2 so Im not sure which you are speaking off. In either case, a water change is about all you can do other than use the chemicals if it is nitrate. If it is nitrite, you need to provide more biological filtration and wait for it to kick in. But keep doing water changes in the meantime - it is deadly to fish. If the aquarium is new, it can take up to 6 weeks cycle. Check out the article on cycling your aquarium - Cycling Your Aquarium
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nicole baughan - 2011-09-27
Hi I have emperor angle fish. I'm not sure how old he is but he has his adult colours by my eye he looks like he's still changing. When I looked at him today his face seems a bit bitting like he's got sun burnt and started to peel (only way I can describe it lol ) can any body help me ?

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  • Charlie Roche - 2011-09-27
    Bacterial diseases are frequently seen as red streaks or spots which may be what you are seeing as sun brun. Animal World article on Fish Diseases and Treatment
    Symptoms and Treatment gives you the various symptoms along with the recommended treatment.
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Scott - 2011-09-25
My shark has suddenly developed a white body fungus and appears distressed. What medications are safe for this species along with botias and red-tailed sharks?

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  • Charlie Roche - 2011-09-26
    Sounds like a fungus to me. Here is a link for Fish Diseases and Treatments so just scroll down to symptoms and they are clear and the recommended treatment is there. http://animal-world.com/encyclo/fresh/information/Diseases.htm
  • Scott - 2011-09-26
    Thanks Charlie. I had always learned to be a bit cautious treating scaleless fish like sharks and loaches, but apparently that's "old school". Unfortunately my white tip succomed last night but I still need to protect the rest of my tank. What ever it was attacked quickly and ruthlessly. You'd think after 40+ years of being a breeder and avid hobbiest I'd know better. SM
  • Charlie Roche - 2011-09-26
    I've done birds for years and years and sometimes something happens that I just can't figure out. Weird. I am sorry your little fella went though.
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joycwe gilkerson - 2011-09-25
My koi, which is 37 inches long and 15 pounds has isolated itself in the shallow end of my pond, it has developed blister like bubbles from the nose area up each side of the head and acts like it is blind. It tolerates the other koi but when they swim to the deeper end of the pond, this fish bumps into the side of the pond. I have not been able to match any illnesses or diseases with this symptom.

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  • Jasmine Brough Hinesley - 2011-09-25
    I can't say for sure what is wrong with your koi, but have you tried treating him for anything? He may be stressed out due to a variety of causes and it may be best to isolate him. I would first try a topical bacterial treatment or bath, as well as try to feed him medicated food specifically for koi.
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Luis Campos - 2011-09-24
My Blue Tang Likes to play dead! She'll lay on top of the tank on her side for hours and I think she's dead, but then all of a sudden when I feed she'll just get up and start feeding! Is this normal?

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  • Charlie Roche - 2011-09-24
    Look at Fish Diseases and symptoms and scroll down to symptoms - Usually when the behavior is that odd - it is tank conditions. Check the symptoms and coresponding treatment is recommended but also throughly check your tank conditions, water, temperature ph etc.
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ChrystalD - 2011-09-24
I have had a beta fish for exactly a week now. He is in about a 10gallon tank so he has plenty of room to swim. It is lighted, contains a filter, and a few fake plants. For the first few days he seemed fine, but when I came home one day his top fin was tattered. I noticed that the sides of the tank were reflective and that he swims along them constantly, so I bought a background and some tall plants to keep him from seeing his reflection and getting too stressed from seeing what he thinks is another male fish. I first thought stress was the cause of the fin loss, and maybe that he was attacking his own tail thinking it was another fish, but ever since I have blocked the reflective sides his fins have gotten worse. His bottom two fins are starting to look badly tattered now. Each time I look at him he seems worse, but he is swimming just fine and seems happy. I do water changes and I feed him two flakes of food at the beginning and end of the day. I am really worried. This is my first fish, and although I've only had him for a week he feels like family. Is this fin rot or stress?

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  • David Brough - 2011-09-24
    It sounds like fin rot. Its hard to get tattered fins if there are no other fish in the tank unless he's tearing them up on the plants. It couldn't hurt to try a fin rot medication.
  • ChrystalD - 2011-09-24
    Thank you. I will go get some medication today.
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Anonymous - 2011-09-23
Hi, i have recently noticed that my male gourami has been attacked by the fin nipping flowerhorn and has become ill, since then i have separated the male from the main tank into a smaller one with some previously hatched fry in it. He refuses to eat the fry and has been either floating at the top and breathing rather heavily or sunken at the bottom and lisping quite hard. I am concerned for the fishes health yet do not know what else to do. He has been eating little to none and is very dark in color. Any suggestions?

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  • Charlie Roche - 2011-09-23
    Animal Word article on Fish Diseases and Treament is attached. Scroll down to symptoms to see what best describes your little one's symptoms and recommended treatment is there. Behaviors are usually a sign of tank conditions/stress also so check tank conditions. I would be a little strssed and possibly hurt if someone bit my tail off but check tank conditions and also symptoms. OK Let us know....
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