英语听力：自然百科 大堡礁 自然奇迹(25)（在线收听）

Because of their sophisticated senses and remarkable physique, white tips are great reef hunters.

精密的感官和不寻常的体型使得白顶礁鲨成为礁石群中当之无愧的狩猎高手。

At night, they turn it into an art form, better than all other sharks.

它们将夜晚的狩猎变为行为艺术，这较其他鲨鱼更胜一筹。

We expect sharks to be hunters, but after dark, the reef itself becomes one giant predator.

我们都知道鲨鱼是狩猎者，但更大的夜间狩猎者却是入夜后的珊瑚自己。

By day, corals may be passive and plant-like, but by night, they become active hunters.

白天植物般被动的珊瑚虫到了夜晚就变身成为活跃的捕食者。

They snatch tiny animals from the current, immobilizing them with stinging tentacles.

它们抓住水流中微小的生物，用触角上的毒刺让它们无法动弹。

Just like their relatives, the jellyfish.

这点同它们的亲戚水母类似。

And they're highly competitive.

珊瑚虫之间的竞争也很激烈。

Here, two individual polyps are fighting for po