Marusei Koi Farm

Mr. Yoshiyuki Hirasawa & Marusei Koi Farm                           

Marusei Koi Farm was founded in 1960 by the late Mr. Seitaro Hirasawa in Kawaguchi, Nagaoka. It is now owned and run by Seitaro’s son Mr. Yoshiyuki Hirasawa.

Marusei Koi Farm is one of the biggest farms in all of Niigata prefecture and boasts over 200 mud ponds, with a raising area of 100,000 Metres Squared.

Mr. Hirasawa is extremely knowledgable about Koi breeding and constantly strives to improve his fish. He values precision and is rightly very proud of each outcome.

His efforts consistently pay off and Marusei Koi Farm can lay claim to two Grand Champions of the All Niigata Koi Show.

He oversees the breeding operations with his dedicated team, and consistently produces beautiful Koi, season after season.

Yoshiyuki is also a shrewd businessman and strives to increase Koi production and sales, whilst expanding and strengthening the infrastructure of the farm.

They are famous across Japan not just for the size of the farm, but for the outstanding quality of each fish that they sell.

Marusei Koi Farm specialises in; Kohaku, Sanke, Showa, Kujaku, Chagoi, Karashigoi, Asagi, Shusui, Benigoi, Hi Utsuri, Ogon, Aka Matsuba and Kin Matsuba.