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outdoorguy55

Aggressive Koi?

outdoorguy55
14 years ago

This past winter, I lost several of my koi in my pond. Only one koi has survived and it is about 3 years old now. I have 10 other goldfish in the pond in which have been in there for the same amount of time this koi has been.

The problem I have is that when I feed the fish, the koi will eat with no problems. However after all the food is finished, this koi will start chasing other fish and will start sucking on the mouth and eyes of the other fish. The fish will swim away and then the koi will go after another fish and continue doing the same thing. I never seen this before and it seems like it is very aggressive when it is doing this. Weird thing is that it only does this when I feed them and after 10-15 minutes after feeding, it gets back to normal.

Anyone know why it is behaving this way? I'm afraid it might hurt my goldfish if this continues.

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