Do cory's bite? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 5 Old 11-04-2012, 08:07 AM Thread Starter
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Do cory's bite?

I have a fully cycled 200 litre well planted (fake and real) tropical tank which contains 1 male betta, around 15 tetras: neons, red and harlequin and last night I added 2 peppered, 1 albino and 1 bronze cory's and a spotted and zebra snail. When I turned the tank lights on today I noticed one of the smaller red tetras is missing half his tail. Would a cory do this?
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post #2 of 5 Old 11-04-2012, 09:59 AM
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hi
i wouldn't have thought so,tetras can be nippy,and so can a Betta.

when you set up a new tank,hide an extra
sponge or two behind some decor,that way you have
something seeded for you next filter.
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post #3 of 5 Old 11-04-2012, 01:19 PM
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I have been keeping Cories for 20+ years and have never seen them act aggressive towards another fish. Neons can get nippy within their own school fighting for hierarchy but I have never seen them aggressive with other fish species. I would think it would be the Betta being nippy.
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post #4 of 5 Old 11-04-2012, 02:30 PM
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The tetras are the fish with the teeth. I find it highly unlikely that the corys could do that type of damage.

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post #5 of 5 Old 11-04-2012, 06:27 PM
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A Betta really should not be in a community tank. This is one fish that is much better on its own. For one thing, Betta will easily eat neons [mine did], but eventually the neons are likely to find it playful nipping the Betta, causing stress. Either way, not good.

What species is the "red" tetra? And "Harlequin" presumably refers to the Harlequin Rasbora, not a true tetra, though somewhat similar in behaviour and needs. All of these fish should be in a groujp of at least six of their own species. With less, nipping among the tetras is quite possible.

As for the corys, they do not have teeth except in the larval and juvenile stages when they have small premaxillary teeth that they subsequently lose. I have never heard of a cory biting anything, they are probably the most peaceful of all fishes.

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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