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1 秋刀鱼资源状况及开发前景1.1 秋刀鱼生物学特征秋刀鱼(Cololalis saira),英文俗称 Saury,日文称サンマ,又称为竹刀鱼。属颌针鱼亚目,竹刀鱼科,秋刀鱼属的一种,体型呈细圆棒状,背鳍、臀鳍后方具游离的小鳍4～6个,两颌多少突出。但不呈长喙状,牙细弱,侧线下位,沿着腹部,背部深兰色,腹部银灰色,是中上层鱼类。秋刀鱼是冷水性洄游鱼类,它广泛分布于北太平洋35～45°N。日本北海道外海直至美国西海岸外海一带均有分布,它的索饵渔场主要在西北太平洋海域,其产卵场集中在日本北海道东部海域。
1 saury resources and development prospects 1.1 saury biological characteristics saury (Cololalis saira), English commonly known as Saury, Japanese called サ nama, also known as saury. Is a needle Needle, saury Division, saury belongs to a body shape was thin round rod, dorsal fin, anal fin with free small fin 4 to 6, how much prominent two jaws. But not long beak-like, thin teeth, lateral lower abdomen, along the abdomen, dark blue back, abdomen silver gray, is the pelagic fish. Pacific saury is a cold-water migratory fish that is widely distributed in the North Pacific at 35-45 ° N. Japan Hokkaido off the sea until the west coast of the United States are distributed around the sea, its bait fishing ground mainly in the Pacific Northwest waters, spawning ground concentrated in Japan’s eastern Hokkaido waters.