纪录片《我们的地球》 第210期 无垠深海(02)（在线收听）

Baitfish have come for the same reason to feed on the plankton.

饵鱼因为同一原因来到这里，吃浮游生物。

The whale shark has timed it's arrival exactly right.

鲸鲨非常准时地到场。

Oddly, the tiny fish swarm around it. They're using it as a shield.

奇怪的是，小鱼围着鲸鲨游。小鱼利用鲸鲨当盾牌。

Other predatory fish are lurking nearby.

还有掠食性鱼类在附近潜伏。

Yellowfin tuna. They seem wary of the giant.

黄鳍金枪鱼看上去比鲸鲨机灵多了。

The shark dives, as if to escape from such overcrowding.

鲸鲨开始下潜，离开这过度拥挤的地方。

Now the tuna have a chance to attack the unprotected baitfish, but then, back comes the giant.

现在黄鳍金枪鱼开始进攻这没有保护的饵鱼而后，鲸鲨归来。

It has taken a vast mouthful of the baitfish itself.

鲸鲨张开大口，满嘴都是饵鱼。

Plankton, it seems, is not the only food for a whale shark.

浮游生物看来并不是鲸鲨的唯一食物。

Both shark and tuna feast together, but the tuna must be wary.

鲸鲨和金枪鱼一起享受这大餐，金枪鱼必须机警地远离鲸鲨。

Even they can end up in the whale shark's stomach.

除非它们想成为鲸鲨的腹中美餐。