The weight of hairy crabs is generally between 3 and 4 liang. Generally, the weight of 100 crabs in the gate of Yangcheng Lake is maintained at about 150g to 200g. According to the traditional Chinese unit of measurement, it is between 3 and 4 liang. The bigger the hairy crab, the heavier the weight, and the higher the price. Hairy crabs are generally multiple. A hairy crab has many producing areas, each with its own advantages. The more common ones are Yangcheng Lake, Taihu Lake, Panjin, Hongze Lake and Gucheng Lake, among which the hairy crabs in Yangcheng Lake are the most famous.
Hairy crab is a kind of river crab. The scientific name of river crab is Chinese mitten crab. It is widely distributed along the long coastline from Liaoning and Henan to the Pearl River in the north of China. Among them, the Yangtze River system has the largest output and the most delicious taste.
When selecting hairy crabs, when you see the belly button protruding, it is generally full of fat and paste, and the concave ones are mostly lack of fat. When you hold the crab by hand, you have to feel 'heavy', so you can pick hairy crabs with fat and paste and full crab meat. （DaZhaXieYiBanDuoChongYiZhi）