Green crab cleaning process:

1, first use a toothpick from the mouth or eyes, pounded a few times, until the green crab calves straighten and do not move; (live green crabs cooked in the pot will fall off the legs)

2, with a toothbrush to brush the back shell and abdominal shell of the green crabs;

3, gently knocking open the navel, squeeze out the intestines in the fecal matter;

4, put into a pot with a little salt and boil until the shell turn red, then pour in yellow wine, add a little water and cook for 5 to 10 minutes. (The exact time will depend on the size and quantity)

The Saw Margin Green Crab is named for its greenish body color. The cephalothoracic armor of the Saw Edge Green Crab is slightly oval, with a smooth surface, slightly elevated in the center, and inconspicuous zoning. The surface of the armor and the appendages are green-colored. On the back, there is an obvious "H"-shaped indentation between the stomach area and the heart area, and there are four prominent triangular teeth on the forehead, which are more prominent than the inner eye sockets, and there are nine medium-sized teeth on the anterior lateral margins, with the last teeth being small and sharply protruding, pointing toward the front. Chelicerae robust, both chelicerae asymmetrical. Anterior margin of long segment with 3 spines, posterior margin with 2 spines; outer terminal margin of carpal segment with 2 blunt teeth, inner terminal angle with 1 strong spine; metacarpal segment swollen and smooth, especially swollen in males, dorsal surface with 2 rondellar ridges, which terminate in 1 spine, inner and outer portions of phalanges with 1 lineal groove on each side, space between two fingers large, teeth on inner margin large and blunt. The anterior and posterior margins of the first three pairs of pedipalpal phalanges are covered with short hairs, and the anterior and posterior phalanges of the last pair of pedipalps are flattened and pulpy, making them suitable for swimming. Male abdomen is broadly triangular, with the terminal margin of segment 6 concave, its margin straight, the lateral margins straight, and the terminal margin of the last segment bluntly rounded, while the female abdomen is broadly rounded. The width of the armor is up to 20 centimeters, and the weight is 1.5 kilograms.

Saw-margined blue crab relative to the proposed cave blue crab, its chelicerae net pattern is more obvious, Fujian and Zhejiang fishermen commonly known as "flower foot sea-crab"; food consumption is large, the character is also more ferocious than the proposed cave blue crab, artificial culture is also difficult, our country is mostly to culture the proposed cave blue crab.