Ogon: Ogon Adalah varietas koi dengan tubuh yang sepenuhnya berwarna logam seperti emas, perak, atau platinum. These ornamental fish were bred having a scaleless carp imported into Japan from Germany and spawned a mutation of scaleless koi. Often known as "doitsu," or "German" in Japanese, these koi are very fashionable https://www.propanraya.com/cara-merawat-ikan-koi-agar-tetap-sehat-dan-indah-di-kolam-rumah