Marusei Koi Farm

Location: Kawaguchi, Nagaoka

Specialty: Gosanke, Kin Matsuba, Karashigoi, Hi-Utsuri, Chagoi, Benigoi, Mizuho Ogon, Asagi, Aka Matsuba, Shusui, Yamabuki

  • History

    Marusei Koi Farm is a renowned koi breeding facility located in Kawaguchi, Nagaoka, Japan. Founded in 1960 by the late Mr. Seitaro Hirasawa, it is now owned and operated by his son, Mr. Yoshiyuki Hirasawa. Let’s dive into the fascinating world of Marusei Koi Farm:

    Size and Scope:
    Marusei Koi Farm is one of the largest koi farms in the Niigata prefecture.
    It boasts over 200 mud ponds and covers a raising area of 100,000 square meters 12.
    The farm’s extensive infrastructure allows for efficient breeding and production.

  • Awards

    Over the past few decades, Marusei Koi Farm has been in a continuous development stage.
    The farm currently operates 200 mud ponds with a similar number of parent stock.
    Their yearly production reaches an impressive 200,000 koi.
    Marusei Koi Farm offers these exquisite fish for sale to enthusiasts and collectors.
    So, if you’re ever in the Niigata region and want to witness multi-textured, stunning koi, a visit to Marusei Koi Farm might just leave you speechless!

Marusei Koi Farm is one of the largest Koi breeders in Japan, located in Kawaguchi, Nagaoka. The farm was founded by Seitaro Hirasawa in 1960 and is now managed by his son, Yoshiyuki Hirasawa.

The farm spans over an area of 100,000 m2 and boasts over 200 mud ponds. They have a similar amount of parent stock and produce over 200,000 Koi per year.

Marusei Koi Farm is known for breeding a variety of Japanese Koi, including Go Sanke, Kujaku, Kawarimono, and many other varieties1. Some of the most produced varieties at Marusei Koi Farm include Gosanke, Kin matsuba, Karashigoi, Hi- Utsuri, Chagoi, Benigoi, Mizuho Ogon, Asagi, Aka Matsuba, Shusui, and Yamabuki.

Yoshiyuki Hirasawa is focused on expanding his mud pond count and increasing the production rate of Koi. He is also working to develop and breed more varieties to add to his already flourishing business.

Marusei Koi Farm has been in a development stage for the past few decades. They are committed to achieving top-quality breeding results in the Niigata region and beyond.