肉食性鱼类大多是名贵鱼 ,如鳜鱼、乌鱼、七星鱼、黄鳝等 ,经济价格比一般鱼高 ,养殖前景很好。这些鱼在自然界多以小鱼虾、蟹、蛙、鳅等活体动物为食。人工集约化养殖中 ,活食成本高 ,数量难以得到满足。采用人工配合饲料养殖肉食性鱼类能提高养殖效益 ,人工饲料虽然营养齐全 Carnivorous fish are mostly expensive fish, such as catfish, mullet, starfish, eel, etc., the economic price is higher than the average fish, breeding good prospects. These fish in nature and more small fish shrimp, crabs, frogs, loach and other living animals for food. Artificial intensive farming, live food costs are high, the number is difficult to be met. The use of artificial feed to feed carnivorous fish breeding can improve the efficiency of artificial feed, although nutritious