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罗非鱼对不良水质有较高的忍受性，能够生活在其它多数鱼类不能生活的水体。莫桑比克罗非鱼、尼罗罗非鱼短时间忍受的最低溶氧量为0.1毫克/升。因此罗非鱼在池塘养殖条件下是一种易养殖，病害少的鱼类。由于罗非鱼属热带性鱼类，水温在20℃以下活动和摄食减少，因此在对其越冬
Tilapia has a high tolerance to poor water quality and can live in bodies of water that most other species of fish can not live in. Mozambique tilapia, Nile tilapia bear the shortest amount of dissolved oxygen is 0.1 mg / l. Therefore, tilapia in the pond farming conditions is a kind of easy to breed, less disease fish. Because tilapia is a tropical fish, water temperature below 20 ℃ activity and food intake decreased, so in its winter