一、鲤鱼、鲫鱼 是水底的“清洁工”,它们栖息在水体底层,摄食底部的残饵和腐殖质,能大大减少池底有机物的腐化分解,减少鱼病的发生。 二、鳜鱼、乌鳢、加州鲈 这三种鱼算得上是水体中的“除杂先锋”,它们性情凶猛,能大量摄食野杂鱼、小虾等。适当套养三者之一,可以控制野杂鱼虾的生长繁殖,减轻其与主养鱼争食争氧的竞争压力,还可利用天然动物铒料增 First, the carp, crucian carp is the bottom of the “cleaners”, which habitat in the bottom of the water, feeding the bottom of the bait and humus, can greatly reduce the decomposition of organic decomposition of the bottom of the pool to reduce the occurrence of fish diseases. Second, catfish, catfish, California bass These three kinds of fish are considered “pioneer in the removal of impurities”, they are fierce in nature, can be a lot of consumption of wild fish, shrimp and so on. Appropriate raising one of the three, you can control the growth and reproduction of wild fish and shrimp to reduce competition with the main fish fight oxygen competition, but also the use of natural animal feed