Doitsu-goi (ドイツ鯉) Originated by crossbreeding a lot of different recognized types with "scaleless" German carp (usually, fish with only just one line of scales along each side with the dorsal fin). Also composed as 独逸鯉, four principal forms of Doitsu scale styles exist. The most typical style (referred to previously https://www.propanraya.com/cara-merawat-ikan-koi-agar-tetap-sehat-dan-indah-di-kolam-rumah