IKARASHI OZUMI KOI FARM: A LEGACY OF PRECISION BREEDING, ELEGANT, REFINED KOI

Tucked into the scenic hills of Ozumi, Nagaoka in Niigata Prefecture, Ikarashi Ozumi Koi Farm has been building a solid name in the koi world for over five decades. With koi breeding in their blood, this multi‑generational farm is helmed by Hidetoshi Ikarashi and his uncle, Kazuhiro Ikarashi, two seasoned breeders who continue a proud family tradition.

Their reputation isn’t based on flashy claims; it’s built on results. Year after year, they raise koi that thrive in ponds around the world, known for strong genetics, well-balanced patterns, and lasting beauty. For those looking to deepen their collection or start with a dependable breeder, Ikarashi Ozumi offers something special.

VARIETIES THAT STAND OUT

One of the most appealing traits of Ikarashi Ozumi Koi Farm is its broad spectrum of high-quality koi. Breeding at this farm isn’t confined to one or two varieties; they’ve mastered several lines, giving pond owners options that range from subtle to bold.

Popular varieties include:

• Benikikokuryu
• Goshiki
• Ochiba
• Chagoi
• Asagi
• Kujaku
• Hariwake

This diversity allows koi keepers to mix and match colors, scales, and patterns for a pond that feels both cohesive and unique. Their koi are raised with care from tosai up through larger age classes, ensuring consistent growth potential and hardiness.

KOI RAISED WITH INTENTION

Each koi produced at Ikarashi Ozumi starts with these goals in mind: strength in both body and pattern. While many breeders focus narrowly on show koi, this farm strikes a balance. Their fish often showcase crisp color separation, vibrant pigment, and bold reticulation, but also hold up well in real-world pond environments.

Their success lies in paying attention to genetics and water quality throughout the fish’s development. Whether you're bringing home a young tosai or a mature nisai, you’ll see how that consistency shines through.

BREEDING TRADITION WITH A MODERN TOUCH

The Ikarashi family’s methods are rooted in old-school Niigata wisdom; letting the fish grow out in mud ponds, following seasonal rhythms, and working in tune with nature. But there’s also a keen sense of modern koi expectations. Today’s pond owners are searching for fish that do more than survive; they want koi that impress, age gracefully, and carry visual balance.

What’s more, Ikarashi Ozumi’s breeding lines have made their way into hobbyist ponds across Europe, the U.S., and beyond. Their name carries weight because their koi do precisely what they’re supposed to: grow well, color up beautifully, and maintain symmetry as they mature.