斑点叉尾鮰,又称沟鲇、美洲鲇,广泛分布于美洲中部、东部的淡水和咸淡水水域中,是深受美国人欢迎的主要淡水养殖品种。自1984年引进我国以来,以其适应性强、易养殖、产量高、效益好、营养丰富而深受生产者、消费者的青睐。近年来,因鱼产品深加工业的发展,班点叉尾鱼回成为一条 Channel catfish, also known as Daphnia grossedentata, is widely distributed in the fresh and brackish waters of central and eastern America and is a major freshwater aquaculture species favored by Americans. Since its introduction in 1984 in our country, with its adaptability, easy to breed, high yield, good efficiency, rich nutrition and by producers, consumers of all ages. In recent years, due to the development of the deep-processing of fish products, the shift-point fish has become one