Kazuyoshi Hiroi and Nobuaki Hiroi 

 

Hiroi Koi Farm is a well-established koi breeder located in Ojiya, Niigata Prefecture, in the heart of Nishikigoi country. The farm operates many mud ponds and maintains a sizable broodstock, allowing them to raise large numbers of koi each year. Hiroi has earned a reputation for producing a wide variety of high-quality koi that appeal to both hobbyists and serious collectors worldwide.

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Specialization

Hiroi Koi Farm produces several varieties, with particular strength in Goshiki and Ginrin Goshiki, which are praised for vibrant color, clean patterns, and reliable quality. The farm also raises Go-Sanke and Doitsu Go-Sanke varieties, including Kohaku, Sanke, and Showa, which are among the main types produced at the farm. Additionally, the farm produces some metallic or patterned koi, showing their commitment to offering a wide palette of fish while keeping Goshiki and Go-Sanke at the center of their breeding program.

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About the Breeder

The farm is operated by the Hiroi family, with Kazuyoshi Hiroi leading daily operations and breeding efforts. Under his guidance, the farm maintains a large broodstock and a network of mud ponds, ensuring healthy koi with good color and stable patterns. Hiroi combines traditional breeding practices with a willingness to supply a broad variety of koi, from classic Showa, Kohaku, and Sanke to Goshiki and Ginrin Goshiki, catering to both traditionalists and collectors seeking variety.

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Reputation and Strengths

Hiroi Koi Farm is respected in the koi community for its combination of variety, quality, and consistency. Their Goshiki and Ginrin Goshiki are particularly valued for vibrant colors and clean finishes, making them popular with collectors and dealers. Their Go-Sanke and Doitsu Sanke, Showa, and Kohaku are also highly regarded, offering reliable koi from a trusted Niigata breeder. The farm’s large ponds and healthy parent stock allow the koi to grow well and maintain stable development.

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Summary

Hiroi Koi Farm is a trusted breeder in Ojiya, Niigata, known for producing a diverse selection of high-quality koi. Under the guidance of Kazuyoshi Hiroi and his family, the farm focuses on Goshiki, Ginrin Goshiki, and Go-Sanke varieties while maintaining consistent quality and strong bloodlines. Their commitment to variety, health, and reliable development has earned them a respected place in the global koi community.