The practice of blue crab

Chinese name:青蟹

Also known as blue crabs, hairy crabs, yellow crabs, worms, worms, and happy crabs. The crab carapace is oval, flat, hairless, with a well-developed head and chest, powerful claws, and its hind feet, which are shaped like chao, so it is called chao. The head carapace is about 1.5 times as wide as its length, and the back is raised and smooth; there are obvious “H”-shaped indentations on the head carapace surface; the forehead has 4 protruding triangular teeth, the size and spacing of the teeth are roughly equal. The front edge has 9 protruding triangular teeth of similar size.