1, green back. The color of the back shell of Yangcheng Lake hairy crabs is neither yellow-gray like Anhui Chaohu crabs nor black-gray like Chongming crabs, but blue-gray. Because this color is generous, clean and attractive, it is called "crab shell green". This is the characteristic given to it by the clear Yangcheng Lake water.
2, white belly. The belly shell of crabs is generally white, but the white belly of ordinary river (lake) crabs is mostly beige and yellow-white, which are muddy and dull; However, the white belly of Yangcheng Lake crab is extremely white. White with green, shiny, giving people a crystal clear feeling. The white belly of Yangcheng Lake crab can give people a jade-like beauty in appearance. ?
3, gold claws. Yangcheng Lake crab claw is similar to the golden color of fine tobacco, so it is also called "golden claw crab"; The ordinary river (lake) crab, often in contact with the soil, is grayish brown. Yangcheng Lake crab's "golden claw" is also endowed by Yangcheng Lake's unique natural environment. Not only is the lake clear, the grass is lush and the soil is hard.
4, yellow hair. It means that the hairs on the legs of Yangcheng Lake crabs are all golden yellow and 3-4 cm long. Ordinary crabs not only have taupe claws, but also short hair.
reference data
Common sense of food. Food industry knowledge website [reference time 20 17- 12-27]