Whats wrong with my koi fish?

Question

my koi fish has been hiding alot and he is not eating as much. i looked at him and he does not have ick or anything else that i could see. what wrong with him. i have other fish in the pond with him to but they seem to be fine

Answer 1

first step is to test the water quality. ammonia, nitrites, nitrates. these will give you a better idea as to where you need to look. if the water is good than it might be something as simple as he is getting bullied by another fish and he is hiding from him

Answer 2

that usually happens in a newly introduced koi you need to condition it first and quarantine before introducing it to the main tank.   Possible of a bullying in your tank which makes it act like that.

kOi keeper & goldfish keeper

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