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During night, the lights in the pond turn on and the koi/goldfish swim with the other goldfish, just as actively. I was wondering, why do the koi/ goldfish hybrids refuse to swim during the day?

April 26, 2017goldfish hybrids Koi lights Night pond swim turn wondering

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During night, the lights in the pond turn on and the koi/goldfish swim with the other goldfish, just as actively. I was wondering, why do the koi/ goldfish hybrids refuse to swim during the day?

1 Answer

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They were swimming in schools at the tank we bought them from, and were in a pond before that. They appear to be healthy and active, but active only at night. They are much harder to detect during the day because of their color (look almost like shadows, only clearly seen when going over a goldfish for example), but we are sure they hide somewhere during the day. Re: Timid Koi/Goldfish hybrid 9/6/06 Thanks once again for the reply I had thought that perhaps as these Koi/Goldfish hybrids are similar to wild carp in coloration and shape, they might have more of an instinct for avoiding predation. However, the fish are far more camouflaged than the easily visible goldfish.