The value of a Kōhaku koi fish decreases if its sashi — the soft edging of a koi’s color pattern — is thin or looks greyish. Some less valuable subspecies are Komoyō, Makibara, Kuchibeni ...

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.

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 ...

These polychromatic swimmers are definitely deserving of admiration. Koi fish have got a lot going for them. "[They are] not only a pet, but also art," says Taro Kodama, president of Kodama Koi Farm. ...

Besides its long lineage, the unique color pattern of Taisho Sanshoku koi contributes to its high value. The most expensive one, a Maruten Sanke, fetched $341,990 at a Sakai Fish Farm auction in 2015.