Portunus trituberculatus in Zhoushan

Geographical scope Portunus is an important economic crab with many species in the Indian Ocean-Western Pacific Ocean. Common are Portunus trituberculatus, Portunus pelagicus and Portunus trituberculatus. There are many places where Portunus is made in China, and the waters near Zhoushan Islands are the main producing areas of Portunus in China. Portunus sp. with a certain quality, its scientific name is "Ephedra", which is commonly known as "White Crab" in some places. It is named because the head breastplate is shuttle-shaped. There are three protrusions in the center of the carapace, so it is also called "Portunus trituberculatus". Portunus Zhoushan is tender and white, rich in protein, fat and many minerals. Portunus is the strongest in winter, generally weighing about 250 grams, up to 500 grams. The female crab red paste is covered and tastes excellent. Portunus crab can be eaten fresh, steamed, fried or fried, or stewed with bean paste in half, or fried with crab for rice cakes, pickles and tofu, which is a common dish on the table of residents in coastal areas. It can also be pickled, that is, fresh Portunus trituberculatus is soaked in bittern, and it can be eaten after a few days, commonly known as "fresh air grabs crabs". In the past, because of the high output of Portunus trituberculatus, fishermen often chose live crabs filled with paste, put yellow into bowls, and let them solidify in the wind, wind and sun, which became "crab yellow cake", with excellent flavor, but low output, which was difficult for ordinary people to taste. Cultural allusions Portunus trituberculatus grows in the nearshore shallow sea, inhabiting the sea area with water depth of 10-50 meters, and the sea area with sediment of 10-30 meters is the densest. Portunus crab is afraid of strong light, mostly lurks in the seabed during the day, and swims to the water layer for food at night. It likes to eat dead animals, a dead fish or dead shrimp, and often attracts crabs to compete for food. Swimming crab can be cultured in a crab pond with running water and oxygen-increasing equipment, and shelters such as stones and branches are set in the pond to reduce the cannibalism of the same kind. Male and female crabs are raised separately and fed with shellfish, mixed shrimp and fish. Portunus is delicious, mainly for fresh food, and can also be refined into canned crab segments and dried crab meat. Crab eggs can be processed into seasoning, and crab shells can be processed into chitin. In addition, meat, viscera and shells can be used medicinally. People take advantage of its characteristics, and often withdraw the gill net with fish fillets, chicken and other bait in advance in the sea at night to catch the attracted crabs. Trawls and baits can also be used for fishing, and people can catch large live crabs. Portunus trituberculatus in Zhoushan is a geographical indication certification trademark.
Reprinted with attribution： https://cnlocality.com/(Chinese Specialty Products)