1, grass carp

The common names of grass carp are: pomfret, pomfret, pomfret, grass pomfret, pomfret, grass carp, grass root (northeast), thick-fingered fish (southern Shandong), sea pomfret (south), hybrid, black herring and so on. The body is elongated, sub-cylindrical, bluish yellow, the head is wide and flat, the mouth is in the end position, it is unnecessary, the throat teeth are comb-shaped, it grows fast, the meat is delicious, and the fish gall is toxic.

Habitat in the middle and lower water, sexually active, swimming quickly, often foraging in groups. Feeding on aquatic plants, wintering in the deep water of the main stream or lake. It is one of the four major fish in freshwater culture in China.

2. Silver carp

Silver carp is also called silver carp, silver carp, silver carp and silver carp. The figure is flat on the side, slightly higher, spindle-shaped, the back is bluish gray, the sides and abdomen are white, the pectoral fin does not exceed the base of the pelvic fin, each fin is gray, the head is large, the eye position is very low, the scales are small, and the horny edge in the middle of the abdomen extends straight from below the pectoral fin to the anus. Silver carp is sweet, flat and non-toxic, and its meat is tender and nutritious.

It is a large freshwater fish raised artificially, with fast growth, few diseases and high yield. It is mostly mixed with grass carp and carp, and is one of the four major freshwater fish in China.

3. Bighead carp

Bighead carp is also called silver carp, chubby fish, Baotou fish, bighead fish, black silver carp, hemp silver carp, and also called male fish. It looks like a silver carp, with a flat body, a large and wide head, a wide mouth, a little upturned and a low eye position. Most of them are distributed in the middle and upper waters, and they are one of the four major freshwater fishes in China.

4. mandarin fish

Siniperca chuatsi is also known as Siniperca chuatsi, Osmanthus fragrans, Osmanthus fragrans, Siniperca chuatsi, Cynanchum japonicum, chub Siniperca, Carassius auratus, sow shell, etc. The body height is flat on the side, the back is raised, the head is big, the mouth crack is slightly inclined, both jaws and vomer have villous teeth, and the small teeth in the front of the upper and lower jaws are canine-shaped; The body color is brownish yellow, the abdomen is gray, and the round scales are very small; There are irregular dark brown patches and spots on the side.

It is a fierce carnivorous fish, which often feeds on other fish. Young fish like to eat fish and shrimp, and adult fish mainly eat fish, and stop eating in winter.

5, catfish

Catfish is catfish, also known as bearded silver carp, sticky fish, pond lice fish, and raw fish. The whole body has no scales, the body surface is full of mucus, the head is flat and the mouth is wide, there are four beards on the upper and lower jaws, the upper back is dark, the white tail on the abdomen is round and short, not forked, the dorsal fin is small, and the gluteal fin is connected with the caudal fin. Living in rivers, lakes, ponds and other places, lurking in the mud at the bottom of the water during the day and coming out at night, eat small fish, shellfish, frogs and so on.