The sharks were finning near the surface.

这些鲨鱼靠近水面时鳍露水面上。

Finning, as it is called, means cutting the fins off a live shark.

称它为鱼翅业，意谓着是从活鲨鱼身上剪下来的。

And it is this high price that has led to the spread of shark finning.

正是这种高价导致了猎取鱼翅的行为激增。

Every year tens of millions of sharks die a slow death because of finning.

每年，由于鱼翅买卖，数千万条鲨鱼在海底静静地等待死亡。

To satisfy the growing market, some fishermen have taken to finning sharks.

为了满足不断增长的市场需求，一些渔民已采取只割鲨鱼鳍的做法。