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)
22-27 cm
23 Kg.
20 pcs
MAR-005
Marusei (Hirasawa)
28-35 cm
23 Kg.
12 pcs
MAR-007
Marusei (Hirasawa)
14-16 cm
15 Kg.
60 pcs
MAR-010
Marusei (Hirasawa)
15-19 cm
15 Kg.
50 pcs
MAR-011
Marusei (Hirasawa)
15-19 cm
15 Kg.
50 pcs
MAR-012
Marusei (Hirasawa)
15-19 cm
15 Kg.
50 pcs
MAR-200
Marusei (Hirasawa)
20-25 cm
25 Kg.
25 pcs
MAR-201
Marusei (Hirasawa)
35-40 cm
25 Kg.
7 pcs
MAR-202
Marusei (Hirasawa)
35-40 cm
26 Kg.
7 pcs
MAR-300
Marusei (Hirasawa)
60-65 cm
32 Kg.
1 pc
MAR-305
Marusei (Hirasawa)
50-55 cm
30 Kg.
2 pcs
MAR-306
Marusei (Hirasawa)
55-60 cm
30 Kg.
2 pcs
MAR-307
Marusei (Hirasawa)
45-50 cm
32 Kg.
4 pcs
MAR-308
Marusei (Hirasawa)
48-53 cm
32 Kg.
4 pcs
MAR-309
Marusei (Hirasawa)
50-55 cm
32 Kg.
3 pcs
MAR-310
Marusei (Hirasawa)
48-53 cm
32 Kg.
4 pcs
MAR-400
Marusei (Hirasawa)
70-75 cm
38 Kg.
1 pc
MAR-500
Marusei (Hirasawa)
75-80 cm
43 Kg.
1 pc
MAR-001
Marusei (Hirasawa)
10-12 cm
14 Kg.
100 pcs
MAR-006
Marusei (Hirasawa)
12-15 cm
15 Kg.
70 pcs
MAR-008
Marusei (Hirasawa)
14-16 cm
15 Kg.
60 pcs
MAR-009
Marusei (Hirasawa)
15-18 cm
15 Kg.
50 pcs
MAR-203
Marusei (Hirasawa)
35-40 cm
26 Kg.
7 pcs
MAR-301
Marusei (Hirasawa)
55-60 cm
35 Kg.
3 pcs
MAR-302
Marusei (Hirasawa)
55-60 cm
35 Kg.
3 pcs
MAR-303
Marusei (Hirasawa)
55-60 cm
35 Kg.
3 pcs
MAR-304
Marusei (Hirasawa)
55-60 cm
35 Kg.
3 pcs