Many. Xinghua hairy crabs flourished at the end of 1 1, so more people bought them in1/month. Hairy crabs are a kind of river crabs, whose scientific name is Eriocheir sinensis. It is widely distributed on the long coastline from the south of Liaoning to the Pearl River in the north of China, among which the Yangtze River system has the largest output and the most delicious taste.