Fuji ogon koi, where only The top with the Koi is metallic Orenji ogon koi, that's all orange like a typical goldfish, which has a crimson splotch on its back again. Goldfish lovers are often really fond og the Orenji.The Chagoi is named the “Light giant”. They don't seem to be the most colourful or fanciest of Koi varieties, but make of for th