The wholesale price of Portunus trituberculatus dropped from around 25 yuan to around 10 yuan, and rose to around 15 yuan. The wholesale price of first-class female crabs with a net weight of more than 200 grams is still high, which is about 35 yuan to 40 yuan.
morphological character
The body color of swimming crab varies with the surrounding environment. Individuals living at the bottom of the sand have a light gray-green head breastplate, a round white spot in the front gill area, purple-red with white spots in most of the claw feet, and a part or the whole abdomen is white.
The long joints and wrist joints of the first three pairs of feet are also white, the palms are blue and white, the fur is brown, and the knuckles are purple-blue or purple-red. The fourth pair of feet is green with white spots and the fingers are purple-blue. Individuals living among seaweed are darker in color. For omnivorous, fish, shrimp, shellfish, algae all eat, and even eat the same kind, like to eat animal carcasses.