Official farm name: Koshiji Koi Farm
Breeder: Kase Kiyoshi
Area: Iwada, Nagaoka
Raising area: 80.000 m2
Varieties: Doitsu Go Sanke, Showa, Goshiki, Yamatonishiki, Kikusui, Kikokuryu and other varieties Number of mud ponds 50, Parent stock 100, Yearly production 20.000 pcs
