冬季我省不时受到北方强冷空气影响,届时全省最低气温下降明显,部分县市最低气温可达到0℃以下,由此引发彩虹鲷等罗非鱼鱼类大面积死亡的现象。彩虹鲷是罗非鱼和莫桑比克罗非鱼杂交的一个突变种,体色鲜艳、红黄兼有,也常被人们称作红罗非鱼。它原产于台湾地区,属热水性和广盐性 Winter in our province from time to time by the northern strong cold air impact, when the minimum temperature dropped significantly in the province, some cities and counties the minimum temperature can reach below 0 ℃, which led to rainbow snapper and other large fish tilapia death. Rainbow snapper is a mutant of tilapia and Mozambique tilapia hybrids, body color bright, both red and yellow, often referred to as red tilapia. It is native to Taiwan and belongs to hot water and salt