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一、金枪鱼类生产的概况 1962年世界各国的鰹鱼、金枪鱼、箭鱼、枪鱼的渔获量共约一百万吨。太平洋最多,占其中的70%,大西洋占17%,印度洋占13%。就各国的渔获量来看,如表1所示,日本占70%以上,美国次之,占14%。捕捞方法中,以日本、冲绳等所用的金枪鱼延绳钓为最多,约占60%,其他钓渔业约占25%。由于使用沙丁鱼等活饵,行动范围受到限制,因而主要是在日本近海以鰹鱼、长鳍金枪鱼为对象,在中、北美的东部太平洋沿岸以长鳍金枪鱼、黄鳍金枪鱼、鰹鱼为对象,以及在大西洋东岸(欧洲、非洲沿岸)以长鳍金枪
I. Overview of Tuna Production Catches of tuna, tuna, swordfish and marlin in the world in 1962 were about 1 million tons. The Pacific Ocean is the largest, accounting for 70% of them, the Atlantic Ocean 17% and the Indian Ocean 13%. As far as catches of different countries are concerned, as shown in Table 1, Japan accounts for more than 70%, followed by the United States, accounting for 14%. Among the fishing methods, Japan, Okinawa and other longline fishing are the largest, accounting for about 60%, other fishing accounted for about 25%. Due to the limited range of action due to the use of live bait such as sardines, it mainly targets albacore and albacore tuna in the offshore Japan, targeting albacore, yellowfin and anchovy on the eastern Pacific coast of North and Central America, And the long-finned tuna on the east coast of the Atlantic (Europe, the coast of Africa)