Koi fish is called "God Fish" by the Japanese, symbolizing auspiciousness and happiness. In addition, the Japanese also regard koi fish as a work of art, with the reputation of "a living gem in water" and "the king of ornamental fish".

After years of cultivation and screening, koi fish has reached its peak, and koi fish has become a national fish of Japan, and it has been promoted to all parts of the world as a goodwill ambassador through diplomatic and non-governmental exchanges. Every year from 10 to 12, koi fish fans from all over the world gather here to buy their favorite koi fish and pay tribute to the world-famous birthplace of "japanese koi".

Koi fish is docile by nature, likes to live in groups, is easy to raise, and has strong adaptability to water temperature. It can survive in the water temperature environment of 5-30℃, and the growth water temperature is 2 1-27℃. Omnivorous koi fish is a large individual, with a body length of 1m and a weight of over 10kg. Sexual maturity is 2-3 years old. Long life, about 70 years on average. Laying eggs from April to May every year. Because of the intervention of artificial breeding now, koi fish can basically carry out breeding in various periods every year.