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虹鳟又名瀑布鱼、七色鱼，原产北美加利福尼亚州西海岸爱恩塔山的山洞溪流河川中，后由朝鲜移入我国的黑龙江省及北京市，是世界上重要冷水性养殖鱼类之一，在国际市场上被列为高档商品鱼，它具有肉味鲜美，肉质细嫩，刺少肉多，营养丰富，饲料利用率高，生长快，易捕捞等特点?
Rainbow trout, also known as waterfall fish, fish of seven colors, originating in the caves of Aitama Mountain on the west coast of California, North Carolina, flows into China’s Heilongjiang Province and Beijing City from North Korea and is one of the most important cold-water cultured fish in the world. Market is classified as high-grade fish products, it has a delicious meat, tender meat, spiny little meat, nutrient-rich, high feed utilization, fast growth, easy fishing and so on?