河蟹的人工养殖是近两年刚刚普及推广的新技术,它以较高的经济效益赢得广大养殖专业户的欢迎。河蟹喜欢栖息在江河湖泊的泥岸、滩涂上的洞穴里或隐匿在水草丛中。河蟹为杂食性动物,偏喜食动物性食物,但因植物性食物较易得到,所以河蟹多以水生植物和岸边植物为主要饵料。我们津南区位于市区东南,临近海河,具悠久的种稻历史,为 Artificial cultivation of crabs is just a new technology popularized in the past two years. It has won the favor of a large number of aquaculture households with high economic benefits. Crabs like to inhabit caves in rivers and lakes, caves in tidal flats or in watery vegetation. Crab is a omnivorous animal, prefer to eat animal food, but because of plant food easier to get, so crab and aquatic plants and shore plants as the main bait. We Jinnan District is located in the southeast of the urban area, near the Haihe River, with a long history of paddy cultivation