中华绒螯蟹俗称河蟹，是洄游性、广盐性的甲壳动物。 19世纪前仅分布在中国与朝鲜西部，后来逐步扩大到欧洲，并已形成一定的产量。我国的学者从 50年代开始从河蟹的解剖学方面入手，进行生态、习性等方面的研究，积累了大量资料。 河蟹营养丰富，味道鲜美，市场需求量日增， Chinese mitten crab, commonly known as crab, is a migratory, widely salted crustacean. Nineteenth Century before only distributed in China and North Korea, and then gradually expanded to Europe, and has formed a certain yield. Scholars in our country started from the anatomy of crabs in the 1950s and carried out researches on ecology and habits, and accumulated a great deal of data. Crab nutrient-rich, delicious, growing market demand,