Grey reef sharks.
灰礁鯊
The reef's top predators, these sharks patrol the waters on strong currents.
暗礁的頂尖掠食者,這些鯊魚在逆流中巡視海域
But without all the life on the reef here, they could never exist in such numbers.
沒有生活在這里的一切,鯊魚也不可能數量這么多。
They may be idle right now, but they won't remain this way for long.
此刻它們無所事事,但它們不會這樣子太久的。
As night falls... it's feeding time.
當夜晚降臨...這是進食時間
Needlefish stalk the coral shallows in search of food.
顎針魚潛近珊瑚淺海尋找食物
Predators by day, at night they become the prey.
白天是掠食者,晚上成了獵物。
Speeding away at 20mph, the needlefish give the chasing sharks a run for their money.
時速20英里加速逃離,顎針魚讓追趕的鯊魚你爭我搶。
But it's hard to escape from so many.
要從這么多鯊魚中逃脫很難。