Hairy crab is also called river crab, crab and hairy crab, and its scientific name is Eriocheir sinensis. It is a famous food in China. Its claws are used for feeding and resisting enemies, and the inner and outer edges of the palm 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.

He often lives in caves in rivers, rivers and lakes, swings on mud banks, hides in the daytime and comes out at night, and feeds on animal carcasses or grains. By the autumn of each year, it grows plump and often swims back to the offshore to breed. The eggs carried by the mother hatch between March and May of the following year, and the larvae undergo many metamorphosis.

It develops into a young crab, then goes up the river and continues to grow in fresh water. Every autumn, when the crab is breeding and returning, fishermen often build a hairpin in rivers and lakes and trap it with lights at night.

Extended data:

Other crab species:

1, crab

The flower crab is named for its patterned shell. The flower crab sometimes refers to the orchid crab (the male individual of Portunus ocellatus), belonging to Portunus, but due to regional differences, it is also called the red crab (Charybdis rusty).

Eriocheir sinensis is a warm-water crab, which is mainly distributed in the coastal areas of Zhejiang, Fujian, Taiwan Province, Guangdong, Guangxi and Hainan Island in China.

2. Portunus

Swimming crab, commonly known as "white crab" in some places. Because the breastplate is shuttle-shaped, it is named shuttle. There are three protrusions in the center of the carapace, so it is also called "Portunus trituberculatus" and belongs to arthropods.

Male umbilicus is smooth, with long claws and bluish shell surface; The female umbilical cord is round and fluffy, and the shell surface is ochre or spotted. Portunus trituberculatus meat is delicious and has high nutritional and economic value, and is suitable for temporary cultivation and fattening in seawater. The head breastplate is spindle-shaped, almost twice as wide as the long one.

3. Bread crab

Bread crab refers to the species of Arthropoda, Crustacea, Decapoda, Zodiac or Steamed Crab. Bread crab head breastplate is light brown; The eye area has semi-circular reddish-brown markings; There is a reddish-brown spot on the outer mask of the wrist joint and long joint of the claw foot; The tip of the foot is brown. The male head breastplate is 62mm long and 83mm wide. The female head breastplate is 70.0 mm long and 93.0 mm wide.

Baidu Encyclopedia-Eriocheir sinensis