克氏螯虾（Procambarus　clarkii）俗称“龙虾”,隶属甲壳动物纲、软甲亚纲、十足目、刺（?）科。原产北美洲,1918年由美国引进日本,1929年由日本移植到我国.由于克氏螯虾适应广,繁殖力强,自然种群发展很快,现主要分布于江苏、安徽、湖北、江西等长江中下游地区。由于该虾在稻田中夹断秧苗,在鱼塘中与鱼争食、争氧、争空间并危害鱼苗,又有掘洞穴居的习性,人们顾虑大量繁衍会对池塘和农田水利设施造成较大的破坏,加上该虾外壳较硬,食用率偏低,在过去很长时间里,人们不仅没有对该虾开发利用,反而把它当作敌害或低质虾类加以清除。但该虾肉味鲜美,营养丰富,并适于多种方 Procambarus clarkii commonly known as “lobster”, under the crustacean Gang, a soft subclass, deciduous, sting (?) Branch. Originated in North America, Japan was introduced into Japan in 1918 and transplanted to Japan by Japan in 1929. Due to its wide adaptability and strong reproductive capacity, Crayfish is growing rapidly in Jiangsu, Anhui, Hubei and Jiangxi provinces Middle and lower reaches of the Yangtze River area. Due to the shrimp pinch seedlings in the paddy field, fighting fish in the fish ponds, oxygen, space and endanger the fry, but also habitat burrow cave, people worry about a large number of multiplication will cause greater damage to ponds and farmland water conservancy facilities In addition, the shrimp shell is hard and its consumption rate is low. In the past long time, people not only did not exploit the shrimp, but instead treated it as predator or low-quality shrimp. However, the shrimp flavor delicious, nutritious, and suitable for a variety of parties