Established over 50 years ago, Ozumi Ikarashi Koi Farm is located in Nagaoka and is operated by Hidetoshi Ikarashi and his uncle Kazuhiko Ikarashi. They breed many varieties such as Ochiba, Chagoi, Ginrin Asagi, Goshiki and others, but they are most well known for their creation of the Kin Kikokuryu and Beni Kikokuryu varieties.