鳄鱼在我国数量稀少，属国家保护动物，但是，随着鳄鱼人工养殖技术的成熟，国家有关政策已允许人工养殖鳄鱼达到规定年限后进入市场。鉴于鳄鱼在制皮、制药、食品、旅游方面的重大商品价值，鳄养殖有望逐步兴盛。 鳄鱼属椎类两栖爬行动物，其性情大都凶残暴戾，喜食鱼类和蛙类 Crocodiles are rare in our country and belong to the state to protect animals. However, as the crocodile artificial breeding technology has matured, relevant national policies have allowed artificial breeding of crocodiles to enter the market after reaching the stipulated time limit. In view of the crocodile leather, pharmaceuticals, food, tourism, major commodity value, crocodile breeding is expected to gradually flourish. Crocodile is a vertebrate amphibians and reptiles, most of their temperament cruel violence, eat fish and frogs