Found abundantly near the edge of continental and insular shelves, but also in the open sea and occasionally inshore (Ref. 244). Often found in deepwater reefs and near insular slopes (Ref. 244). Littoral and epipelagic, in the open sea or near the bottom at 18-500 m (Ref. 58302). It is quick-moving and aggressive (Ref. 244). Solitary (Ref. 26340); often associated with schools of tuna (Ref. 244). Feeds mainly on fishes, but also squid, paper nautiluses, and pelagic crabs (Ref. 244; 37816). Viviparous (Ref. 50449). Regarded as dangerous to humans (Ref. 9997). Flesh utilized fresh and dried-salted for human consumption; its hide for leather; its fin for shark-fin soup; its liver for oil (Ref. 244). 2 to 14 young, 73 to 87 cm, are born per litter (Ref. 1602).
大量地在大陆架和岛屿棚边缘的附近发现, 也在开放海域中与偶然近海.(参考文献 244) 时常发现于深水礁区与在岛的斜坡附近.(参考文献 244) 移动快速与侵略性它是。 (参考文献 244) 独居性;(参考文献 26340) 时常伴随着鲔鱼群.(参考文献 244) 主要吃鱼, 也捕食乌贼, 纸鹦鹉螺 , 与大洋性螃蟹 (参考文献 244; 37816)。 胎生的.(参考文献 50449) 被认为了对人类具有危险性.(参考文献 9997) 鱼肉利用生鲜或乾渍供人类消费; 它的隐藏用做皮革; 它的鳍用做鱼翅汤; 它的肝脏用于制造鱼肝油.(参考文献 244) 生产2 到 14 只, 73 到 87 公分的幼鱼每胎。 (参考文献 1602)