Green crabs are not hairy crabs, they are two varieties of crabs. Green crab belongs to the sea crab category, and hairy crab belongs to freshwater crab.
The difference between blue crab and hairy crab
1, blue crab dorsal armor transverse oval, more pointed on both sides. The surface of the armor is smooth, the forehead has four equally large teeth, the front lateral edge containing the eye socket outside the teeth *** there are 9 with a large tooth, the fourth step foot is flattened specialization into paddle-like swimming foot, suitable for swimming. Chelicerae smooth, asymmetrical, right foot slightly larger than left; palpal segment swollen and smooth, dorsal surface with two granular ridges, each with a spine at its end. The first three pairs of pedipalps are edentulous, and the anterior and posterior margins of the phalanges are bristly with short hairs.
2, hairy crab cephalothorax armor is rounded square, the latter half is wider than the first half. The dorsal surface is elevated, the frontal and hepatic regions are concave, and there are six symmetrical protuberances in front of the gastric region, each with a granule. Gastric region conspicuously demarcated from the cardiac region, the former surrounded by a concave point. Frontal broad, divided into four teeth. Upper margin of ocellar fossa protruding near middle, triangular in shape. Anterolateral margin with four acute teeth, the last being the smallest, and introducing a rhinoceros, running obliquely on the outer side of the gill area; also with a rhinoceros along the inner side of the posterior lateral margin. Chelicerae, larger in males than in females, densely tomentose outside and inside of the bases of the metacarpal and phalanges, with a sharp spine at the inner terminal corner of the carapace, and a sharp spine on the dorsal margin of the longest segment near the end of the longest segment, as on the longest segment of the stepper. Steps sufficiently flattened for the last three pairs, dorsal margins of carapace and pronotum each with setae, dorsal and ventral margins of pronotum and base of pronotum of fourth step densely setose. Abdomen, female rounded and male pointed. Cephalothorax 54.6 mm long, 61.0 mm wide.
Extended information
Crab taboos
1, the spleen and stomach cold people are not suitable for eating crab, crab cold, may hurt the spleen and stomach.
2, wind-cold cold is not suitable for those who have not recovered to eat crab, may aggravate the condition.
3, stubborn itchy skin patients can not eat crabs, will aggravate the itching.
4, excessive menstruation, dysmenorrhea, pregnant women avoid eating crabs, because crabs are cold.
5, crabs can not be eaten with sweet potatoes, pumpkin, honey, oranges, pears, pomegranates, tomatoes, melon, peanuts and other foods.
6, crab can not be eaten with tea, avoid drinking tea within 1 hour after eating crab.
7, do not eat raw crabs, must be completely cooked before eating, otherwise it will be infected by bacteria or invaded by parasites.
Reference:
Reference: Baidu Encyclopedia - Chinese Mitten Crab