河蟹以其营养丰富、肉味鲜美而深受国内外广大消费者的青睐。目前河蟹已成为江浙地的主要水产养殖品种,河蟹养殖业已由追求产量的“大养蟹”向以质量效益为中心的养大蟹和养“生态蟹”转变。随着河蟹养殖业的发展,规格小、品质差的河蟹越来越不受消费者欢迎。大规格河蟹不仅销 Crab with its nutrient-rich, delicious meat and popular at home and abroad by the vast number of consumers of all ages. At present, crabs have become the major aquaculture species in Jiangsu and Zhejiang Provinces. Crab farming has been transformed from “big crabs” pursuing production to “big crabs” focusing on quality and benefits and raising “ecological crabs”. With the development of crab aquaculture, small size, poor quality crab more and more consumers are not welcome. Large-size crabs not only sell