New methods of setting nets have reduced the bycatch of dolphins but not of other species, such as billfish, turtles and sharks.
布设渔网的一些新方法已经减少副捕获物
豚的捕获，但没有减少其它一些生物的捕获，象
、龟和鲨。
(颚狭
的,雀鳝等),尖(具有剑状及上颚的,旗、枪等)New methods of setting nets have reduced the bycatch of dolphins but not of other species, such as billfish, turtles and sharks.
布设渔网的一些新方法已经减少副捕获物豚的捕获，但没有减少其它一些生物的捕获，象、龟和鲨。
In longline fishing, which targets fish such as tuna, swordfish and billfish, boats trail long lines bearing as many as 2500 baited hooks.
在以诸
金枪、剑和旗等
为目标的延绳钓捕捞中，船只拖曳的绳带有多达2500个饵钩。
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