Koi Fish Gets a Little Too Excited When Owner Goes to Feed Him. Published Sep 09, 2024 at 11:01 AM EDT Updated Sep 09, 2024 at 10:54 PM EDT. By .

The nation’s top koi aficionados will bring their most spectacular fish — up to 3 feet long — to South San Jose to compete this weekend, April 5-6, in the ZNA NorCal National Koi Show.

A husband and wife in Raleigh raise large and colorful koi. Monday, July 7th, was National Koi Day, in honor of that unique Japanese fish.

If the fish is an adult koi, it's a relatively small one, Cohen said. Koi can grow to be up to three feet, according to the Smithsonian's National Zoo and Conservation Biology Institute.

Koi fish, especially the Kohaku variety, are prized for their beauty, longevity, and breeding potential. Factors like bloodline, pattern, size, and gender influence their value, with females often ...