The Kaneko Koi Farm is a renowned Koi farm located in Nigorisawacho, Nagaoka. The farm is currently run by Yasuaki Kaneko. They are known for their unique combination of Koi varieties including Kujyaku, Shiro Utsuri, Hikarimono, and other varieties. They also breed Tamasaba.

The farm was one of the first to create and stabilize the Kujyaku variety. They offer a great selection of Koi and have a yearly production of 30,000 pcs.