Shrimp shrimp, also known as East China, is Arthropoda, Crustacea, Decapoda, shrimps Branch, shrimp is. In the past, because they are sold in pairs, so that shrimp. [Generic] penaeus chinensis [Place name] prawns, shrimp, prawns, meat, shrimp, yellow shrimp (male), freshwater shrimp (female) [] Individual morphological features large, flat side of body. Female body length of 18 to 24 cm, male body length of 13 to 17 cm. Shells thin, smooth and transparent, blue green females, the male takes the shape of brown. Individual females are usually larger than males. Shrimp body composition by the 20, the head 5, the chest 8, abdomen 7. In addition to the tail section, the sections are attached to limb pair. There are five pairs of walking legs, the first three pairs showed a clamp-like, was after the two pairs of claw-like. Carapace form the leading edge of the central prominent forehead. Both the upper and lower edge of the jagged forehead. Aquaculture products are generally 12-15 cm in length and weighing 20-40 grams. Life cycle of one year, the individual can live for two or three years. [] Is the main origin of China's most widely distributed of shrimp, mainly distributed in China's Yellow Sea and the west coast of North Korea. China's Liaoning, Hebei, Shandong, and Tianjin is the main producing areas along the coast. Each of the past fishing season in spring and autumn, from April to June for the spring flood; to October for the autumn floods. Wang flood season for the mid to late 10. Fisheries scientists in our late 70's broke through the artificial breeding of prawns technology to solve the issue of farmed shrimp seed, currently in northern China's coastal city of Dandong, Liaoning Province from the south coast of Hainan in China are carried out shrimp aquaculture production, aquaculture in output of about 200,000 tons, much higher than the natural waters catch. China's aquatic scientists in the late 1970s broke shrimp artificial breeding techniques, to solve the problem of farmed shrimp seed, 80 years after the farming area is expanding. Since the current northern coastal city of Dandong, Liaoning, Hainan, south China coastal shrimp farming are carried out production, much higher than the natural breeding waters of the annual catch, aquaculture has become the world's largest country.
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Introduction
China, also known as Oriental Chinese shrimp shrimp shrimp, formerly known as Chinese shrimp, are Arthropoda, Crustacea, Decapoda, shrimps Branch, shrimp is. In the past, because they are sold in pairs, so that shrimp. Scientific name, Fenneropenaeus chinensis (formerly Penaeus chinensis) Place names, prawns, shrimp, prawns, shrimp meat, shrimp, yellow (male), freshwater shrimp (female)
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Morphology
Individual large body flat side. Female body length of 18 to 24 cm, male body length of 13 to 17 cm. Shells thin, smooth and transparent, blue green females, the male takes the shape of brown. Individual females are usually larger than males. Shrimp body composition by the 20, the head 5, the chest 8, abdomen 7. In addition to the tail section, the sections are attached to limb pair. There are five pairs of walking legs, the first three pairs showed a clamp-like, was after the two pairs of claw-like. Carapace form the leading edge of the central prominent forehead. Both the upper and lower edge of the jagged forehead. Aquaculture products are generally 12-15 cm in length and weighing 20-40 grams. Life cycle of one year, the individual can live for two or three years.
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Habits
Chinese shrimp belong to the warm, euryhaline, annual large-scale migratory warm water shrimp, males commonly known as "yellow shrimp", the general body length 155 mm, weight 30-40 g; females are called "freshwater shrimp", the general length 190 mm, weight 75-85 grams. Bi-color blue in the lining of the body, exquisitely carved, half-Chi Xu, is also known as prawns. Usually in the bottom-crawling, sometimes also in the water swimming. Bohai Bay shrimp autumn to early winter each year, began wintering migratory, wintering areas to deep southern Yellow Sea; northward spring the following year, the formation of spawning migration. Spawning begins in late April, fecundity 30-100 million pills of the majority of females die after spawning. After several abnormal eggs become larvae, larvae about 18 days after dozens of molt into juveniles, in the 6-7 month near the mouth of feeding in growth. Five months later, you can grow into 12 cm above the shrimp, starting in September, the central Bohai Sea and Yellow Sea to the northern migration, the formation of autumn fishing season. The fishing season in mid-May to late October, mainly for the trawl fishing gear, anchor drift nets and sheets, changed the provisions of catchable after catching autumn period from September later.
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Main origin
China's most widely distributed of shrimp, mainly distributed in China Yellow Sea and the west coast of North Korea. China's Liaoning, Hebei, Shandong, and Tianjin is the main producing areas along the coast. Each of the past fishing season in spring and autumn, from April to June for the spring flood; to October for the autumn floods. Wang flood season for the mid to late 10. Fisheries scientists in our late 70's broke through the artificial breeding of prawns technology to solve the issue of farmed shrimp seed, currently in northern China's coastal city of Dandong, Liaoning Province from the south coast of Hainan in China are carried out shrimp production, aquaculture annual output of about 20 million tons, much higher than the natural waters of the catch. China's aquatic scientists in the late 1970s broke shrimp artificial breeding techniques, to solve the problem of farmed shrimp seed, 80 years after the farming area is expanding. Since the current northern coastal city of Dandong, Liaoning Province, south China's Hainan carried out all along the coast shrimp production, aquaculture greatly exceeds the natural waters of the annual catch, aquaculture has become the world's largest country.
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Bohai Bay, "Chinese shrimp," disappeared after 14 years of artificial stocking
Zhongguang Wang Tianjin, August 27, 2009 news (reporter Yang Sun), according to Voice of China "CNR news" 16:25 report, the fall harvest fish, shrimp upcoming China, Tianjin fishery resources investigation team found that in the Bohai Bay, "Chinese shrimp" disappeared 14 years later, through artificial reproduction and releasing, Tianjin Bohai Bay, "Chinese shrimp" has formed a large-scale shrimp flood. Each network can capture the current time 100 kg of shrimp is not over 10 years of harvest. In recent years, the provinces and cities in the Bohai Sea through the proliferation, releasing and fishing moratorium and other measures, the conservation of the ecological environment of Bohai Bay, the marine environment has been greatly improved. Case of Tianjin, Tianjin, a total of three years to the Bohai Sea offshore artificial reproduction and releasing more than 10 kinds of fish fry one hundred million, including 620 million Chinese shrimp, trituberculatus 9.97 million, 6.2 million pike, perch 100 000 and so on. Shandong Province, Hebei Province to the Bohai Sea is also releasing a large number of Chinese proliferation of shrimp fry. In 2009, the abundant rainfall but also for the "Chinese shrimp," provides a wealth of natural food, so that shrimp grow very rapidly.
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