Cross carp, also known as grass carp, grass carp, oil grass carp, grass carp, white grass carp, grass carp, grass root (Northeast), thick fish (Southern Shandong), sea carp (south), mixed carp, black herring wait.

Grass carp, Cyprinidae. The body is elongated, sub-cylindrical, and more than 1m long. Body bluish yellow. The head is broad and flat, the mouth is pointed, and there is no beard. Pharyngeal teeth are comb-shaped. Mature at 3-4 years of age, they lay eggs in the upper reaches of rivers and can be artificially reproduced. It grows quickly, with the largest individual reaching about 30kg. The meat is delicious, but the fish gall is poisonous. It inhabits rivers and lakes in plain areas, and generally likes to live in the middle and lower layers of water and near shore areas with many aquatic plants. They are lively, swim quickly, and often look for food in groups. A typical herbivorous fish. In the juvenile stage, grass carp eats larvae, algae, etc. Grass carp also eats some meat foods, such as earthworms, dragonflies, etc. Overwinter in deep water of main streams or lakes. During the reproductive season, broodstock have the habit of swimming upstream. It has been transplanted to many countries in Asia, Europe, America and Africa. Because of its rapid growth and wide source of feed, it is one of the four major fish species cultivated in freshwater in China.

Grass carp is rich in unsaturated fatty acids, which is beneficial to blood circulation and is a good food for cardiovascular patients. It is rich in selenium. Regular consumption has anti-aging and beauty effects, and it also has certain effects on tumors. Preventive and therapeutic effects; For people who are thin and have poor appetite, grass carp meat is tender but not greasy, and can be appetizing and nourishing. Because it has few spines and thick flesh, it is usually used as a raw material for boiled fish and pickled fish.