Albino Corys losing there tail?? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 2 Old 06-15-2013, 05:25 PM Thread Starter
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Albino Corys losing there tail??

Hello to all the fish people need some info on my four albino corys two of the four are losing the end of there tail so all thats left is a stub they still move around pretty good but not sure what could be nipping and the tails for is its a disease has anybody had the same issue if so what did you do?? they are a fun fish to watch in my tank so would like to help them out if i can.

fish in thank.....
3 mollys
2 Rainbows
4 neon tetras
2 guppys
1 platy

No sharks here or tail eaters here so i thought
Thanks for any help
Hoffer15
Bob
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post #2 of 2 Old 06-17-2013, 10:50 AM
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Caudal fin deterioration is most likely either caused by nipping by another fish or by environmental conditions; the latter is the cause of fin rot, and then fungus.

Have you observed any fish ever approaching the corys from behind as if to possibly nip? The best way to look for this is to sit motionless in front of the tank for up to an hour. And I mean motionless. The fish will forget you are there, and you may observe more natural behaviours. When we are present, fish often associate us with food, and will be thinking of that and not other things. This is not as far fetched as it sounds.

As to the environment, what are your water parameters (GH or general hardness, pH, and temperature)? And have you tested for ammonia, nitrite and nitrate?

What size is the tank? What is the substrate? Is there plenty of hiding spots for the corys, such as plants, chunks of wood, caves, etc?

What is your water change schedule (volume and frequency)? And what substances/additives are being added to the water (water conditioner, and any others)?

Lots of questions, but pinning down a problem requires us knowing all the facts.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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