鲑的主要生活区是太平洋和大西洋的北部,是一种回游鱼。在广阔的大洋中回游生活后,回到自己出生的河川产卵,而后终其一生。这是种不可思议的习性。 鲑是一种以味道鲜美而出名的鱼。它的同类数量极多,包括狗鱼等深海鱼。
所有的太平洋鲑类,包括雄性的刚头,在产卵或者是洄游产卵的途中都要经历形态变化。
All Pacific salmon, including male steelhead, undergo changes when spawning or migrating to spawn.
水产养殖在控制条件下,科学、艺术及商业性培植海水或淡水食用鱼或介壳类,如牡蛎、蛤、鲑及鳟鱼。
The science, art, and business of cultivating Marine or freshwater food fish or shellfish, such as oysters, clams, salmon, and trout, under controlled conditions.
水产养殖在控制条件下,科学、艺术及商业性培植海水或淡水食用鱼或介壳类,如牡蛎、蛤、鲑及鳟鱼。
The science, art, and business of cultivating Marine or freshwater food fish or shellfish, such as oysters, clams, salmon, and trout, under control led conditions.
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