Fuji ogon koi, where only The top in the Koi is metallic Orenji ogon koi, which happens to be all orange like a standard goldfish, by using a crimson splotch on its again. Goldfish fans are frequently very fond og the Orenji.This is probably the concerns that were not long ago set to me; in fact Chagoi and Soragoi are independent forms. Chagoi is a