Animal Stories - Fish Disease and Treatment


Animal-World Information about: Fish Disease and Treatment

Introduction to aquarium fish diseases and treatments.
Latest Animal Stories
Kevin - 2011-10-12
I have a 30 gallon tank with 4 fish in it; 3 are smaller varieties of cichlids and one started life as a feeder goldfish ('won' at a fair 5-6 years ago). The goldfish was definitely too big for the tank and I was trying to find a home for it when it suffered a minor injury to its snout. I added the treatment suggested for fin and skin repair. My fish get regular partial H2O changes, Tropical fish flake food, plus krill and blood-worms for roughage and variety. I add appropriate bacteria to the tank with complete changes and after any treatments that might reduce their number, I replace salts with complete changes and use the recommended starter solutions; I never use chlorinated H2O. Well what happened was horrifying: a small white tuft started growing where the injury was, so I treated for a fungal infection as recommended... it seemed to work. Then a week, or so later, all was well when I went to bed, but when I fed them in the a.m., I was shocked to see that both of the 'goldfishs' eyes had exploded! They were GONE! and the white tufty material was behind and again sprouting from its snout! I have separated it and no other fish seem affected (completely emptied the tank, sterilized, added all new materials, and shock treated the fish for fungi) and I realize it's too late to save the fish, but I'd like to try ... other than being blind and tufty, it is behaving normally and eating well; in fact, it never showed the least oddness in its behavior. I'd appreciate any advice ... sorry for the gross story.

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rafiqul - 2011-10-03
i have a 60 gallon tank with 21 cichlid fish. They are over all 1.5 inch. they all are ok. But yestarday 1 of them died,and another 1 is sick. They had no symptom..like any discolor any diformity. But both have imbalanced swiming and no appetite...my all fish are hiding in rocks. I can't understand what to do. I change 1/3of water,give blue,anti fungal,and salt..plz help me.

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  • Charlie Roche - 2011-10-05
    Scroll up the article and you will see that most of the time (majority) of the time, behavioral problems are result of tank conditions. Check temperature, water etc. Check the water you are refiling the tank woth. Is the tank in direct sunilight or anything that will strongly affect water temperature etc.. I'd go through the aritcle and check other symptoms ut throughly check conditions.
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Charlie - 2011-10-02
I have a 55 gallon tank with two goldfish in it and a few small bottom feeders. One of the goldfish, a comet, I have had for a while. About a month ago I bought a black moor goldfish to accompany it. Just a couple days ago the black moor's whole eye fell out. I noticed this but wasn't able to fix it-- it was late at night and the goldfish still seemed fine. I didn't recover the missing eye (I couldn't find it) and did not think a water change would be appropriate in this situation, as it would probably kill the fish with the missing eye. I went to a pet store and asked about it, and they said it would be fine. When I got home the next day, some of the smaller fish had died with fin rot and white fungal growth. I bought some chemicals and treated the fish for Ichthyophthirius multifilis (ich). The fish were fine for another day-- still covered in white fungus, but swimming around and able to eat. Today, I woke up and checked on them. The black moor seems to be the only 'fine' one. The larger comet goldfish is lying at the bottom. When it tries to swim upwards, it appears to have seizures. As soon as it swims up, it starts twitching and flipping over in the water and falls straight down to the bottom. One of the bottom feeders is doing the same thing but at a progressed level. When it swims up, it twitches around for a bit and then flips straight on it's back, falls to the bottom and doesn't move for minutes at a time. As well as this, I have noticed that a white foam has grown over all the fish's eyes. I have looked online for any disease that resulted in these symptoms, but could find none. Is there any cheap (and effective) way to fix this?

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  • Charlie Roche - 2011-10-03
    Weird. Scroll up on the article Fish Diseases and Symptoms till you come to symptoms. Check out Fungal diseases and recommended treatment is listed.
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Arden - 2010-11-15
I need some guidance with my guppy.. He is a Tequila Sunrise Guppy I've had in a 1.5 Gallon tank [yes, I know that is WAY too small, I'm getting a bigger one in the next week or two) for four months, now. He is super sick. My first thought was Malawi Bloat, but it doesn't state red lungs are a common symptom. His signs of sickness are red lungs, tail to the left, loss of appetite, and two red spots on his back/abdomen.

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  • Nancy - 2011-10-02
    Thanks for the share!
    Nancy.R
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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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