Qingjiang fish refers to fish produced in Qingjiang reservoir area of Hubei Province. It is also a famous trademark and brand. It lives in flat ponds and slow rivers, especially in lush aquatic plants. On the other hand, "Qingjiang fish" is the general name of all fish products such as Qingjiang black catfish, red catfish, white sturgeon (duck-billed sturgeon) and Ding Gui produced in the Qingjiang reservoir area of Changyang, Hubei Province. , representative of the long snout, also known as catfish and finless porpoise. Carnivorous fish mainly prey on small fish, but also eat shrimp and aquatic insects, mainly by swallowing. The main function of teeth is to prevent food from escaping. Qingjiang fish has a strong tolerance to salt and high temperature, and can survive even in salt fields or hot springs. The spawning period is from April to 10, and the spawning usually takes place at the temperature of 18 to 30℃.
Qingjiang fish feed on small fish, shrimp and aquatic insects.