Grass carp, Ctenopharyngodon idella, which belongs to Cypriniformes, Cyprinidae, Leuciscinae, is a widely cultured freshwater fish because of its herbivorous, fast growth and delicious flesh .

• 草鱼(Ctenopharyngodon idella)属于鲤形目(Cypriniformes)，鲤科(Cyprinidae)，雅罗鱼亚科(Leuciscinae)，因其草食性、生长快、肉质鲜美等特点，是优良的淡水养殖品种。