First, hairy crabs

Hairy crabs are a kind of river crabs, whose scientific name is Eriocheir sinensis. It is widely distributed on the long coastline from the south of Liaoning to the Pearl River in the north of China, among which the Yangtze River system has the largest output and the most delicious taste. Generally speaking, hairy crabs refer to Eriocheir sinensis in the Yangtze River system. In the past, hairy crabs grew near the Yangtze River estuary, and after growing into young crabs, they migrated against the Yangtze River and grew in the branches of lakes and rivers in the lower reaches of the Yangtze River.

The hairy crabs' claw feet are used for feeding and resisting enemies, and the inner and outer edges of the palms are densely covered with fluff, hence the name Eriocheir sinensis. Omnivorous animals, such as fish, shrimp, snails, mussels, worms, earthworms, insects and their larvae, can be used as animal bait for hairy crabs.

Crab contains more vitamin A, which is helpful for skin keratinization. It can also supplement calcium for rickets in children and osteoporosis in the elderly. China is widely distributed in lakes along the north and south coasts, among which the Yangtze River system has the largest output and extremely delicious taste. Among them, Gucheng Lake Hairy Crab is the most famous one, which has always been called the crown of crabs, and it is recognized as a well-known trademark in China by the State Administration for Industry and Commerce. Other famous hairy crabs include Taihu Lake Hairy Crab, Yangcheng Lake Hairy Crab and Changdang Lake Hairy Crab.

Picture: paddy crab

II. Paddy crab

Paddy crab is a river crab, also called "crab" or "hairy crab", a crustacean of arthropod. River crabs are rampant.

The head breastplate, which is a combination of 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.

Eriocheir sinensis, a large crustacean belonging to the genus Eriocheir, has a body divided into 21 sections. Because the head and chest sections are mutually healed, the whole body is divided into two parts: head, chest and abdomen. The back of adult crabs is dark green, and the ventral surface is gray-white. The average length of head breastplate is 6-7cm, and the width is 7.5cm.

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.