太平洋旗鱼Istiophorus Platypterus(Shaw et Nodder)为广布于各大洋的热带及温带水域中的暖水性、大型重要经济鱼类。在太平洋区的分布,主要集中在东、西两岸接邻陆縁的近海区。在太平洋高纬度海域中的分布极少而且分散。 关于太平洋旗鱼后期仔鱼或稚鱼阶段的形态、出现及分布已有报道。本文就东海黑潮区首次采到的太平洋旗鱼的后期仔鱼及稚鱼的主 Pacific Swordfish Istiophorus Platypterus (Shaw et Nodder) is a warm, large, economically important species of fish widely distributed in tropical and temperate waters of various oceans. The distribution in the Pacific Ocean is mainly concentrated in the offshore areas adjacent to Lu Lu in both east and west. Distribution in the high-latitude Pacific Ocean is minimal and scattered. The morphology, appearance and distribution of late larvae or juveniles in the Pacific sailfish have been reported. In this paper, the larvae of late-stage larvae and juveniles of the Pacific sailfish were collected for the first time in the Kuroshio area of ​​the East China Sea