1, the concept is different, Qingjiang fish refers to fish produced in Qingjiang reservoir area of Hubei Province; Catfish is a kind of catfish in the animal kingdom. Different shapes, Qingjiang fish's body is slightly flat, while catfish's body is more round, with a plump and round feeling. Different living habits, Qingjiang fish mainly live in a specific environment, with excellent water quality and suitable climate. Catfish mainly live in rivers, lakes, reservoirs and potholes.

2. Qingjiang fish refers to the fish produced in Qingjiang reservoir area of Hubei Province, which is known as "the province of thousands of lakes" and is a must for aquatic products in Hubei. The trademark "Qingjiang Fish" has been reported to the State Administration for Industry and Commerce for registration. Changyang "Qingjiang Fish" brand is favored by domestic and foreign merchants for its excellent water environment, tender meat, no muddy smell and safe eating. Qingjiang River originates from a mountain stream in western Hubei and consists of more than 2,000 mountain springs. The water quality is excellent, there is no pollution source, the fishery resources are very rich, and the famous "Qingjiang fish" is growing.

3. Catfish, also known as Tiger Fish and Tangyang, is characterized by scaleless body, sticky and slippery body surface, flat head and wide mouth, and four whiskers on the upper and lower jaws. It is widely distributed and mainly produced in the Yangtze River and Pearl River basins. The best eating season is from mid-spring to midsummer (April to July). Catfish is a carnivorous fish with tender meat, delicious taste, rich in protein and fat, and rich in nutrition, especially suitable for people with weak constitution and malnutrition. Freshwater catfish are distributed in various freshwater areas around the world, while seawater catfish live near tropical coasts.