1981年春,美国国家海洋渔业处所属的西北和阿拉斯加渔业中心资源评估及保护工程部借给“Tres Cher”号渔船两台鱿鱼拟饵曳绳钓机.该船将之连同自有的四台钓机一起用来在华盛顿近海进行实验性鱿鱼钓捕作业.这项实验是受到了有关在北太平洋东北海区的爪乌贼和枪乌贼可能存在有生产意义的资源量的若干报告的激励而进行的.可以根据北方海狗属Callorhinus ursinus的胃含物资料——据此可发现处在深度超过200米 In the spring of 1981, the Department of Resources Assessment and Protection of the Northwest and Alaska Fisheries Center owned by the US National Marine Fisheries Service lent two squid-fishing trolleys to the “Tres Cher” fishing vessel, which, together with its own four Taiwan’s fishing tackle was used to carry out experimental squid fishing operations off the coast of Washington.This experiment was stimulated by several reports on the possible existence of productive resources of claw squid and calamari in the northeastern North Pacific Ocean . According to the northern fur seal of Callorhinus ursinus stomach content information - can be found at depths in excess of 200 meters