Doitsu-goi (ドイツ鯉) originated by crossbreeding quite a few unique set up types with "scaleless" German carp (usually, fish with only just one line of scales together all sides on the dorsal fin). Also created as 独逸鯉, 4 major sorts of Doitsu scale designs exist. The most typical form (referred to https://www.propanraya.com/cara-merawat-ikan-koi-agar-tetap-sehat-dan-indah-di-kolam-rumah