Doitsu-goi (ドイツ鯉) originated by crossbreeding a lot of unique recognized varieties with "scaleless" German carp (frequently, fish with only one line of scales along both sides with the dorsal fin). Also composed as 独逸鯉, four key different types of Doitsu scale patterns exist. The most common kind (referred to higher https://www.propanraya.com/cara-merawat-ikan-koi-agar-tetap-sehat-dan-indah-di-kolam-rumah