Of all the formations in the Pacific
在太平洋的所有构造中
These reefs are by far the richest in life
这些珊瑚礁无疑是生命最为丰富的
There are hundreds of different kinds of coral
这里有数百种不同的珊瑚
And all are made up of millions of tiny creatures called polyps
它们都由数百万个名为珊瑚虫的微小生物构成
Each covered in a hard skeleton
每个珊瑚虫都被坚硬的外骨骼覆盖
Reefs are home to thousands of specialists
珊瑚礁是成千上万种特化生物的栖息地
Like these razorfish that blend into the staghorn coral around them
比如这些刀鱼,它们与周围的鹿角珊瑚融为一体
But not all animals here need to blend in
但并非所有生物都需要隐藏自己
Grey reef sharks
灰礁鲨
The reef's top predators
珊瑚礁的顶级掠食者
These sharks patrol the waters on strong currents
这些鲨鱼在强劲的水流中巡逻
But without all the life on the reef here
但若没有珊瑚礁上的所有生命
They could never exist in such numbers
它们绝不可能以如此数量存在
They may be idle right now
它们此刻或许显得悠闲
But they won't remain this way for long
但这种状态不会持续太久
As night falls it's feeding time
夜幕降临,觅食时刻到来
Needlefish stalk the coral shallows in search of food
针鱼在珊瑚浅水区游弋,寻找食物
Predators by day at night they become the prey
白天的捕食者,夜晚却沦为猎物
Speeding away at 20 miles an hour
以每小时20英里的速度疾驰
The needlefish give the chasing sharks a run for their money
针鱼让追逐的鲨鱼疲于奔命
But it's hard to escape from so many
但面对如此多的猎手,逃脱并非易事