Common freshwater fish species are: 1 and herring: herring, also known as snail green, mainly distributed in the plain area south of the Yangtze River in China. It is an important fishery resource and breeding object, which grows rapidly and tastes delicious, and is deeply loved by our people. 2. Grass carp: Grass carp is called sea bream in the south of China and grass root in the north. Mainly inhabiting rivers and lakes in plain areas, it is a typical herbivorous fish. 3. Carp: Carp, also known as carp seed and carp turn, originated in Asia and is one of the most diverse, widely distributed and widely cultivated freshwater fish.

4. Whitebait: Whitebait is a general term for many translucent fishes of the genus Whitebait, which are mainly distributed in salt water and fresh water in East Asia. In China, whitebait, also known as noodle fish and firecracker fish, is a rare delicacy. Whitebait itself is rich in nutrition and is the first choice for the weak. However, due to its carnivorous diet, it is easy to destroy the ecosystem if there are few natural enemies.

5. Carassius auratus: Carassius auratus, also known as crucian carp seeds and crucian carp, is mainly distributed in Europe and Asia. It belongs to a common freshwater fish, which mainly feeds on aquatic plants and plankton. Because its fish is rich in trace elements and minerals, it is cheap and good, so it is delicious on the table and has strong adaptability, and has been introduced to all parts of the world.

6. Silver carp and bighead carp: It should be emphasized that silver carp and bighead carp are two kinds of fish, namely silver carp and silver carp. These two species belong to the four major fishes. Because of their similar feeding habits, they are put together. 7, mullet: mullet is also widely distributed, belonging to the middle and lower layers of fish, like warm water, mostly feeding on algae, debris, residue.