Official farm name: Yamasan Koi Farm
Breeder: Yamazaki Manabu
Area: Kawaguchi, Nagaoka
Raising area: 50.000 m2
Varieties: Go Sanke, Hariwake, Platina and many other Doitsu, Ginrin and Longfin varieties Number of mud ponds 50, Parent stock 110, Yearly production 60.000 pcs.
