长尾鲨，尾椎轴低平，稍上翘；尾柄梢侧扁，无侧突，尾基上方具 1凹洼，下方凹洼有时不显著。口弧形，具唇褶。眼圆形，小或中大，无瞬膜。
来自印度的55000张爬行动物皮、厄瓜多尔的19000只大眼长尾鲨鳍和亚洲的23吨穿山甲都被查获。
55,000 reptile skins from India, 19,000 big-eye thresher shark fins in Ecuador and 23 metric tonnes of pangolin in Asia have all been seized.
另一种鲨鱼，长尾鲨同样能够像虎鲨那样“直来直去”，但是活动区域较小。
A third species, thresher sharks, also showed "directed walking" like the tigers, but on much smaller scales.
这张照片显示了一条被渔民网住的长尾鲨，拍摄于加利福尼亚州的墨西哥湾。
This photo shows a thresher shark caught in a fisherman's net in Mexico's Gulf of California.
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