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it depends on the size of the fish and the tank. if the fish are to small the may fall prey to the crayfish, this problem can be avoided if you have a large tank but, most people would advise that you don't mix these two types of animals

I agree I caught one without claws and it is doing fine in my tropical tank but it is still small.

A crayfish isn't a good idea if you have small fish in the tank.

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15y ago

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