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锯缘青蟹(Scylla serrata)俗称青蟹或红虫寻,属节肢动物门、甲壳纲、十足目、爬行亚目、梭子蟹科、青蟹属,盛产于热带、亚热带及温带沿海的半咸水海区,喜栖息、生活在江河溪海汇集口、海淡水缓冲交换的内湾——潮间带泥滩与泥砂质的涂地上,系广盐性和广温性海产蟹,适宜养殖盐度为5-34,最适盐度为10-20;适宜养殖水温为6-35℃,最适生长水温为18-25℃。在我国,主要分布于长江口以南沿海水域,是我国珍贵的海产品之一。近些年来,因海洋资源逐年锐减,池塘人工养殖逐渐兴起,但产出量仍远远不能满足国内外市场的需求,特别是美国、日本、泰国、菲律宾、新西兰及我国台、港地区需求市场日益庞大,供求矛盾日益突出。
Scylla serrata (Scylla serrata) commonly known as blue crab or red worm find, is an arthropod door, crustacean, decapod, reptile subclass, Portunidae, blue crab, rich in tropical, subtropical and temperate coastal saline water The sea area, hi habitat, living in the rivers and streams collection port, the exchange of the sea freshwater buffer bay - intertidal mudflats and mud Tu Tu, Department of wide salt and broad-temperature marine crab, suitable for farming salinity of 5 -34, the optimum salinity of 10-20; suitable breeding water temperature is 6-35 ℃, the optimum growth temperature is 18-25 ℃. In our country, it is mainly distributed in the coastal waters south of the mouth of the Yangtze River and is one of the precious marine products in our country. In recent years, as marine resources have dropped year by year, artificial pond culture has been gradually emerging, but the output still falls far short of the needs of domestic and foreign markets, especially those from the United States, Japan, Thailand, the Philippines, New Zealand, and our Taiwan and Hong Kong regions The market is huge day by day, the contradiction between supply and demand has become increasingly prominent.