（一）大马哈鱼的分布和生活习性名贵世界的冷水性鲑科大马哈鱼，有青色大马哈鱼，红色驼背大马哈鱼，乌苏里白鲑，花斑马苏大马哈鱼，花羔红点鲑，花纹细鳞鱼，还有太平洋鲑，大西洋鲑等。大马哈鱼的环球分布轨迹，均在北半球北纬36°～60°之间，环太平洋、大西洋的北温带至 (A) the distribution and habits of salmon The world’s salmon cold salmon salmon, there are salmon green salmon, red humpback humpback, white wolse, salmon, salmon , Lamb trout, pattern scales, as well as Pacific salmon, Atlantic salmon and so on. The global distribution of salmon, are in the northern hemisphere latitude 36 ° ~ 60 °, the Pacific, the Atlantic’s north temperate to