Crab, Brachyura, is a kind of DECAPODA.
King crab is called the king of crabs, mainly because of its large size, so it is named.
Flower crab is a kind of crab with patterns on its shell, hence its name.
Bread crab, also called steamed bread crab, is relatively small. Their shells are only about 6-7 cm long and 8-9 cm wide.
Cancer is the largest kind of crab, even the largest kind of crustacean. Its shell is 38 cm long and weighs 20 kg.
The origin of Yangcheng Lake hairy crabs is Yangcheng Lake in Suzhou, Jiangsu Province, which is a famous product in China.