Yamasaki fish farm
One of the largest koi farms in Japan covering almost 10 acre with 50 ponds and 6 greenhouses. Hundreds of brilliant parent koi are housed here where our staff have successfully cultivated beautiful Nishikigoi since 1973. Hikari diets are used exclusively and are constantly being tested for their effectiveness and efficiency. These first-hand insights help us in developing and forever improving Hikari's world famous diets.