Doitsu-goi (ドイツ鯉) Originated by crossbreeding quite a few various set up types with "scaleless" German carp (normally, fish with only an individual line of scales along both sides in the dorsal fin). Also composed as 独逸鯉, 4 main different types of Doitsu scale designs exist. The commonest form (referred to https://www.propanraya.com/cara-merawat-ikan-koi-agar-tetap-sehat-dan-indah-di-kolam-rumah