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 ...

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 ...

Admission is free The ZNA (Zen Nippon Arankai) outdoor show has been held in San Jose for a number of years, with fish competing in several koi classifications for color and scalation patterns.