食人鲳,又名食人鱼,原产南美亚马逊河流域,肉食性,以别的鱼为食。食人鱼常常成群活动,为了猎食常常疯狂攻击别的鱼,因此又得名:“水中狼族”。食人鱼的牙齿是锋利的三角形,当地人也叫它“长牙的鱼”,听说还用它的牙来作剔刀呢。 Cannibal, also known as piranhas, native South American Amazon, carnivorous, with other fish for food. Piranha often activities in groups, in order to hunt often crazy attack on other fish, hence the name: “Water wolves.” Piranha's teeth are sharp triangles, the locals also call it “teething fish”, I heard that it is also used as a knife knife it.