The resulting bubbles pen in prey fish, which the whales gobble up.

由此产生的泡沫将猎物围起来，于是座头鲸便狼吞虎咽吃掉猎物。

youdao

Gray reef sharks and red snappers hover above a patch of table coral waiting for prey fish to emerge.

灰色的暗礁鲨鱼群和红色的笛鲷群徘徊在一片的台子珊瑚之上，等待猎物鱼出现。

youdao

Once established in the lakes, the carp could starve out the prey fish on which popular species such as salmon and whitefish depend.

他们一旦在湖泊里安家，可能会饿死其他品种的鱼，如鲑鱼和白鱼。

youdao

"The dolphins use the strait as a natural trap for catching prey fish, just as people do, " she said.

NPR: Dolphins Dodge Danger in the Bosphorus Strait

But they will have to watch out that they are not just fattening themselves up to become prey to still bigger fish.

ECONOMIST: Professional services

Some have speculated that overfishing, pollution or rising ocean temperatures may have depleted the kinds of fish that prey on Nomura's jellyfish in the polyp stage.

CNN: Japanese fishermen brace for giant jellyfish