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罗非鱼属于鲈形目,丽鱼科,这一属鱼原产于非洲热带水域中。罗非鱼生活力强,耐高温,耐低氧,易运输,易繁殖。罗非鱼为温水性鱼类,最适生长温度为20—30℃或更高些,可耐最低温度为12—13℃,除某些种类以外(带条罗非鱼为8℃),有许多种类是广盐性的,能耐咸水,例如越南鱼(非洲鲫鱼)和尼罗罗非鱼。罗非鱼可分以下两类: 1.草食性和食大型植物性的种类。主要有刚果罗非鱼,Tilapia Zillii和T.tholloni,这三种鱼繁殖力高,不行口育。鳃耙很少,
Tilapia is a Perciformes, Cichlid, a genus of fish native to the tropical African waters. Tilapia strong viability, high temperature, hypoxia tolerance, easy to transport, easy to breed. Tilapia is a warm water fish, the optimum growth temperature is 20-30 ℃ or higher, the minimum temperature resistant to 12-13 ℃, with the exception of some species (strip tilapia 8 ℃), there is Many species are broad-salt, capable of tolerating salt water, such as Vietnamese fish (African crucian carp) and Nile tilapia. Tilapia can be divided into the following two categories: 1. Herbivorous and eating large plant species. There are mainly Congo tilapia, Tilapia Zillii and T.tholloni, these three kinds of fish are highly fertile, not oral. Gill rake rarely,