Complete Tosai Koi Collection

Explore our full range of Tosai Japanese Koi, imported straight from Japan’s top breeders. Each one is carefully selected for colour, pattern, body shape, and overall health, offering great potential for future growth and development.

Whether you're setting up your first pond or you're an experienced koi keeper, this collection has something for everyone. Choose from stunning varieties like Kohaku, Showa, Sanke, Shiro Utsuri, and more — with options across all price ranges.

All Tosai are health-checked, quarantined, and safely delivered across the UK, so you can be confident your new koi will arrive healthy and ready to thrive.

Shop with confidence at JS Koi – your trusted source for genuine Japanese koi.