According to the query Aiqi Knowledge Man shows:

1, the growth environment is different. The main origin of the red crab is Shishi City, Fujian Province, ark river town stone lake village, is located in Jinjiang and Luoyang confluence into the sea, freshwater and salt water mingling, very suitable for the growth of the crab. Hairy crabs often live in the mud banks of rivers and lakes, hiding by day and coming out at night to feed on animal carcasses or grains.

2, different appearance. The red crab is robust, fat, nutrient-rich, covered with red paste, so the name red crab. Hairy crab body nearly round, the back of the cephalothorax armor is grass green or dark green, the ventral surface gray.