Although they are all decapods, their families and genera are different.

Freshwater shrimps refer to shrimps that live in fresh water. They are relatively common. Shrimp is a favorite food in people's daily life, which has great market demand and good economic benefits. Therefore, in China, there are many kinds of freshwater shrimp that are widely cultivated and common. For example, green shrimp, Rocky shrimp, grass shrimp, white shrimp and crayfish are all fresh water shrimps that can be easily found in the market.

First, green shrimp

Green shrimp is also called river shrimp, and its scientific name is Macrobrachium. In China, it is widely distributed and is one of the high-quality varieties of freshwater shrimp. This kind of shrimp is tender and nutritious, especially rich in high-quality protein. Taihu Lake and Baiyangdian Lake are the most famous in all producing areas.

Second, the Rocky Shrimp

Rocky shrimp, a large freshwater shrimp, grows very fast, has a wide range of food habits, and its meat is extremely rich in nutrition. In addition, its breeding cycle is relatively short, so it is very popular among farmers.

Third, grass shrimp

Grass shrimp, also known as Penaeus monodon, likes to inhabit among aquatic plants, which is also the origin of its name. The individual of grass shrimp grows rapidly, has a variety of eating habits, tastes delicious, is rich in nutrition, has high market demand, and has a large amount of culture. The appearance of grass shrimp is arranged in alternating horizontal spots of dark green, brown and light yellow, which is easy to distinguish.

Fourth, white shrimp

White shrimps are common in open waters. Generally, white shrimps are not very large, with a white appearance and a thin shell that looks almost transparent. Among white shrimps, Taihu White Shrimp is the most famous, and the white shrimp produced here is extremely fresh and tender with high nutritional value.

Five, lobster (crayfish)

Crab shrimp is also a kind of freshwater shrimp. This kind of shrimp has a large body and a thick shell, which looks like a cylinder. The living environment is generally a flowing water body with high oxygen content.

Crayfish (scientific name: Procambarus clarkii): It is an aquatic animal of crustacea, Decapoda and crayfish. Also known as Procambarus clarkii, red crayfish and freshwater crayfish. Shaped like a shrimp with a hard shell. The adult is about 5.6- 1 1.9 cm long, dark red, with a nearly black shell and a wedge-shaped stripe on the back of the abdomen. Young shrimps are uniform gray, sometimes with black ripples. Long and narrow claws. The middle part of the carapace is not separated by a mesh gap, and there are obvious particles on the carapace. The forehead sword has lateral spines or the end of the forehead sword is scored.