1, river crab. Yangcheng Lake hairy crab is a kind of hairy crab, also known as Eriocheir sinensis, Eriocheir sinensis, Eriocheir sinensis and so on. Its taste is sweet and cold, and it contains a lot of protein, fat, vitamins, cholesterol and other ingredients. It belongs to a river crab, which has the largest yield in the Yangtze River system and tastes extremely delicious. Therefore, Yangcheng Lake hairy crab also belongs to a river crab.

2. Hairy crabs belong to a kind of river crabs, but they are different from ordinary river crabs. The specific manifestations are as follows: Hairy crabs are mainly produced in the Yangtze River basin in China, and ordinary river crabs are widely divided into various regions; Secondly, compared with ordinary river crabs, hairy crabs are bigger, with green back, white belly and fat meat. Common river crabs are smaller in size, mostly gray in color and less in meat.