Eriocheir sinensis

The cultivation of river crabs in rice fields in Fengnan District rose in the 1990s, when the price of river crabs remained high and the benefits of river crab cultivation were considerable. At the same time, the large-scale development of river crab cultivation in ponds effectively promoted the development of river crab cultivation in rice fields, and the crab cultivation in rice fields once reached more than 30,000 mu. The scientific name of Eriocheir sinensis is Eriocheir sinensis, which is a valuable fresh water product with delicious taste, rich nutrition and high economic value. River crabs are also called "crabs" or "hairy crabs", which belong to crustaceans of Arthropoda. The head and chest armor combined by head and chest is square and hard. There are a pair of eyes at the front end of the body and two pairs of very sharp crab teeth on the side. A pair of appendages at the front of the crab are called claw feet, and the surface is covered with fluff; There are 4 pairs of walking feet behind the claw feet, which are flat and long; Abdominal limbs have degenerated. The male and female of the river crab can be distinguished from its abdomen: the female abdomen is round and the male abdomen is triangular. Eriocheir sinensis often burrows in mud banks of rivers, lakes and marshes, moves at night, feeds on fish, shrimps, animal carcasses and grains, often migrates to the estuary to lay eggs every autumn, hatches in March-May of the following year, develops into young crabs, then goes upstream and continues to grow in fresh water. The fresh and tender meat of river crab is a popular food.
Reprinted with attribution： https://cnlocality.com/(Chinese Specialty Products)