Kase Koshiji Koi Farm was started by Kase Kiyoshi in the mid 1950’s at the age of 25. Over the years, Kase has become well known as an innovator, creating several new varieties of koi such as Ginga and Benikumonryu. Kase has a close relationship with Aoki Koi Farm and also produce quality metallic doitsu varieties such as Yamatonishiki, Kikusui and Kikokuryu. They also produce hi quality Goshiki, Shiro Utsuri, Gosanke and Doitsu Gosanke.
