Collection: Nisai Koi

Explore our hand-picked Nisai koi for sale at Koi Online. Carefully raised to two years old in our UK facilities, these Japanese koi are selected for their quality, size, and potential. Sourced directly from Japan’s most respected breeders, our Nisai have been expertly developed to showcase strong body structure, vibrant colouration, and refined patterns. Whether you’re expanding your collection or seeking koi with future show promise, our Nisai offer a fantastic opportunity. Browse our selection below and find your next standout koi.