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
Stock items of Marusei (Hirasawa)
Jumbo Tosai SR Karashi
MAR-004
Marusei (Hirasawa)
22-27 cm
23 Kg.
20 pcs
Jumbo Tosai SR Karashi
MAR-005
Marusei (Hirasawa)
28-35 cm
23 Kg.
12 pcs
Tosai All Mix
MAR-013
Marusei (Hirasawa)
18-20 cm
18 Kg.
40 pcs
Small Nisai Mix
MAR-200
Marusei (Hirasawa)
20-25 cm
25 Kg.
25 pcs
Nisai Yellow Mix (Yamabuki, Karashi, GR Karashi, Kigoi, GR Kigoi)
MAR-201
Marusei (Hirasawa)
35-40 cm
25 Kg.
7 pcs
Nisai All Mix
MAR-202
Marusei (Hirasawa)
35-40 cm
26 Kg.
7 pcs
Nisai All Mix
MAR-205
Marusei (Hirasawa)
30-35 cm
26 Kg.
10 pcs
Tosai All Mix
MAR-001
Marusei (Hirasawa)
10-12 cm
14 Kg.
100 pcs
Tosai All Mix
MAR-002
Marusei (Hirasawa)
12-14 cm
15 Kg.
80 pcs
Tosai All Mix
MAR-003
Marusei (Hirasawa)
15-18 cm
15 Kg.
50 pcs
Tosai Hi Utsuri
MAR-006
Marusei (Hirasawa)
12-15 cm
15 Kg.
70 pcs
Tosai Hi Utsuri
MAR-007
Marusei (Hirasawa)
14-16 cm
15 Kg.
60 pcs
Tosai Ki Utsuri
MAR-008
Marusei (Hirasawa)
14-16 cm
15 Kg.
60 pcs
Tosai Ki Utsuri
MAR-009
Marusei (Hirasawa)
15-18 cm
15 Kg.
50 pcs
Tosai Karashi / Benigoi Mix
MAR-010
Marusei (Hirasawa)
15-19 cm
15 Kg.
50 pcs
Tosai Karashi Mix
MAR-011
Marusei (Hirasawa)
15-19 cm
15 Kg.
50 pcs
Tosai Benigoi Mix
MAR-012
Marusei (Hirasawa)
15-19 cm
15 Kg.
50 pcs
Nisai Kujaku
MAR-203
Marusei (Hirasawa)
35-40 cm
26 Kg.
7 pcs