A, pike crab origin distribution
Pike crab is one of China's important export best-sellers, mainly exported to Japan, Hong Kong, Macao and other countries and regions, the origin of the main distribution of Liaoning, Hebei, Tianjin, Shandong, Jiangsu, Zhejiang, Fujian and other waters, generally from south to north, March to May and September to October for the peak season, Bohai Bay Liaodong Peninsula in April to May production more.
Pike crabs in Japan, Korea, the Malay Archipelago, the Red Sea is also distributed.
Two, what are the common types of pike crabs
Because of the wide distribution of pike crabs, it is also a lot of varieties of species, the following are the most common kinds of us:
1, three warts pike crab
Three warts pike crab is commonly known as pike crabs, white crabs, etc., belonging to the crustacean decapod family pike, is an important economic crab on the coast of China. Rapid growth and lucrative culture has become an important species of culture in China's coastal areas, generally living and breeding at a depth of 3 to 5 meters on the seabed, and migrating to a depth of 10 to 30 meters in winter.
Pike crabs like to live in the bottom of the mud and sand. Its adaptive salinity is 16 to 35, water temperature is 4 to 34 ℃, ph value is between 7 to 9, optimal salinity is between 26 to 32, optimal temperature is 22 to 28 ℃.
2, red star pike crab
Red star pike crab cephalothorax is pike-shaped, slightly elevated, the surface of the three significant warty elevations, chelicerae developed, long section of the prismatic, the inner edge of the obtuse teeth, the fourth pair of stepping foot knuckles flattened broad and thin as a paddle for swimming, belong to the warm-water bottom crabs.
Distributed in Japan, Hawaii, the Philippines, Australia, New Zealand, the Malay Archipelago, the Indian Ocean up to the coast of South Africa throughout the Indo-Pacific warm-water area, Taiwan Island and mainland China in Guangxi, Guangdong, Fujian and other places, the living environment for the shallow sea.
3, the distant sea pike crab
Distant sea pike crab for the pike family pike animals, distributed in Japan, Tahiti, the Philippines, Australia, Thailand, the Malay Archipelago, East Africa, Taiwan Island and mainland China, Guangxi, Guangdong, Fujian, Zhejiang and other places, the living environment for seawater, often living in the water depth of 10 ~ 30 meters of muddy or sandy seabed.