A koi's color cells sit at different depths in the skin, some right near the surface and some deeper in, which ultimately determines how bright the fish appears. The brighter the fish, the bigger ...

The nation’s top koi aficionados will bring their most spectacular fish — up to 3 feet long — to South San Jose to compete ...

This fish has a single red spot on its head and ... They don’t have any patterns and are a metallic-white color. Many koi owners appreciate harmony, and that’s why they add Platinum Ogon ...