河蟹 ,又称毛蟹、大闸蟹 ,螃蟹 ,学名中华绒螯蟹 ,是我国特有的水产珍品和重要的淡水渔业资源。80年代初随着天然海水、人工配制半咸水育苗技术的突破 ,蟹苗从湖泊放流到中小型湖泊养殖 ,围栏养殖以及水库、池塘和稻田等多种形式养蟹技术的开发、推广等科技进展 ,把我国的养蟹 Crab, also known as hairy crabs, crabs, crabs, scientific name of mitten crab, is China’s unique aquatic treasures and important freshwater fisheries resources. In the early 1980s, with the development of natural seawater, artificial breakthrough technology of brackish water seedling breeding, crab seedling launching from lakes to small and medium sized lakes, fencing and development and promotion of various forms of crab farming such as reservoirs, ponds and paddy fields Progress, the crab in our country