Official farm name: Marusei Koi Farm
Breeder: Hirasawa Yoshiyuki
Area: Kawaguchi, Nagaoka
Raising area: 100.000 m2
Varieties: Go Sanke, Kujaku, Kawarimono and many other varieties
Number of mud ponds over 200, Parent stock 200, Yearly production 200.000 pcs
MAR-002
Marusei (Hirasawa)
12-14 cm
15 Kg.
80 pcs
MAR-003
Marusei (Hirasawa)
15-18 cm
15 Kg.
50 pcs
MAR-004
Marusei (Hirasawa)
12-15 cm
15 Kg.
70 pcs
MAR-005
Marusei (Hirasawa)
12-15 cm
15 Kg.
70 pcs
MAR-006
Marusei (Hirasawa)
12-15 cm
15 Kg.
70 pcs
MAR-007
Marusei (Hirasawa)
12-15 cm
15 Kg.
70 pcs
MAR-009
Marusei (Hirasawa)
10-12 cm
14 Kg.
100 pcs
MAR-010
Marusei (Hirasawa)
14-17 cm
15 Kg.
60 pcs
MAR-200
Marusei (Hirasawa)
20-30 cm
24 Kg.
25 pcs
MAR-201
Marusei (Hirasawa)
35-40 cm
26 Kg.
8 pcs
MAR-202
Marusei (Hirasawa)
35-40 cm
26 Kg.
8 pcs
MAR-203
Marusei (Hirasawa)
30-35 cm
26 Kg.
10 pcs
MAR-204
Marusei (Hirasawa)
33-38 cm
26 Kg.
9 pcs
MAR-205
Marusei (Hirasawa)
33-38 cm
26 Kg.
9 pcs
MAR-206
Marusei (Hirasawa)
33-38 cm
26 Kg.
9 pcs
MAR-209
Marusei (Hirasawa)
20-25 cm
25 Kg.
30 pcs
MAR-350
Marusei (Hirasawa)
55-65 cm
30 Kg.
2 pcs