1, grass carp is long, slightly blunt, with two rows of swallowing teeth and a comb shape. It is an important freshwater cultured fish in China. Together with silver carp, bighead carp and herring, it constitutes the famous "four big fish" in China.

2. The snakehead is fierce and lives in benthic organisms. It is a carnivorous fish, and likes to live in shallow water with lush aquatic plants.

3. Catfish is catfish, also known as Hu and Tang catfish, which is characterized by no scales, much mucus on the body surface, a flat head and a wide mouth, and four whiskers on the upper and lower jaws. Widely distributed, mainly in the Yangtze River and Pearl River basins, the best edible season is from mid-spring to mid-summer (April to July). Catfish is a carnivorous fish. Its meat is tender, less prickly, delicious, rich in protein and fat, and nutritious.

4.Lateolabrax？ Japonicus), also known as Lateolabrax japonicus, Cyprinidae, Stichopus japonicus, etc. , commonly known as Lateolabrax japonicus, is listed as "Four Famous Freshwater Fish in China" along with Yellow River Carp, Siniperca chuatsi and Heilongjiang Xingkai Lake White Fish.

5. Wuchang fish has a flat shape, obvious hump on the back, small head and mouth, and no horny cover on the top and bottom. Most of them are distributed in several large and medium-sized lakes in the middle reaches of the Yangtze River, mainly in Hubei.