Crucia carp (scientific name: Carassiusauratus, referred to as crucian carp, commonly known as crucian carp, moon crucian carp, soil crucian carp, thin head, crucian carp, cold crucian carp, happy head, crucian carp shell, river crucian carp. Commonly found in Eurasia , is a common freshwater fish, belonging to the genus Crucian carp, subclass Cyprinidae, order Cypriniformes, family Cypriniformes, etc.

Many new species of crucian carp can be produced through artificial breeding and breeding, such as goldfish. The scientific name of the ornamental fish and the wild crucian carp for food is Carassiusauratus.

Curian carp is mainly an omnivorous fish that feeds on plants. It likes to travel in groups and live in a selective environment. The meat is tender and has high nutritional value. Each 100 grams of meat contains 13 grams of protein, 11 grams of fat, and contains a large amount of calcium, phosphorus, iron and other minerals. Crucian carp has extremely high medicinal value. It is flat in nature and sweet in taste, and can be eaten by the stomach and kidneys. It has the functions of removing diarrhea, warming the stomach and replenishing vital energy. Crucian carp is widely distributed and produced in waters all over the country all year round. The crucian carp is the most plump from February to April and August to December, and is one of the largest important edible fish in my country. The body length is about 30 centimeters and the habitat depth is 0 to 20 meters. It is a non-toxic, economical edible fish with high quality and low price. It is mostly produced in the Yellow River Basin, Yangtze River Basin, and Pearl River Basin, among which Erhai Crucian Carp is the most famous.