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虹鳟因其成体沿侧线具有一棕红色纵纹,如同彩虹一样而得名。目前,是联合国粮农组织向世界推广的产量高、品质优良的淡水鱼品种之一。 虹鳟生活水温为2～25℃,最适宜水温为12～20℃。其适应性很强,既能在池塘中养殖,也能在水库、湖泊、河流中放养。一般667米~2水面产30000～35000千克,最高产量可达50000千克以上。
Rainbow trout has a reddish-red longitudinal stripe along its lateral line, giving it the same name as a rainbow. At present, it is one of the varieties of freshwater fish with high yield and good quality promoted by the UN Food and Agriculture Organization to the world. Rainbow trout living water temperature is 2 ~ 25 ℃, the most suitable water temperature is 12 ~ 20 ℃. Its adaptability, both in the pond breeding, but also in reservoirs, lakes, rivers stocking. General 667 m ~ 2 surface water production 30000 ~ 35000 kg, the maximum output of up to 50000 kilograms.