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Predators here must grab what they can, when they can, for such events do not last long.
掠食者在這里想怎么吃就怎么吃，因為好事不多，好景不長。
The dense shoals, on which so many depend gather only when water conditions are perfect.
只有在水況非常好的情況下才會出現這樣的魚群聚集。
Many predators spend much of their time cruising the open ocean endlessly searching.
許多掠食者把大部分的時間用在來回巡游尋找食物上。
Plankton feeding rays do so, gliding with minimum effort.
吃浮游生物的蝠鲼也是用最省力的方式在水中滑翔。
The oceanic whitetip shark, another energy efficient traveler.
遠洋白鰭鯊也是節省能量的旅行者。
It specializes in locating prey in the emptiest areas of the open ocean, patrolling the top one hundred meters of water.
它擅長的是即使在最空蕩的海域也能找到獵物，巡游高度在海平面至水下100米之間。
Taste in water, is the equivalent of smell in the air.
鯊魚能在水中“聞”到各種氣味。
An oceanic whitetip is able to detect even the faintest trace.
白鰭鯊更是能跟蹤細微的痕跡。
Small pilot fish swim with it.
小小的引水魚跟著它游。
The shark can find prey far more easily than they can
鯊魚比它們更容易發現獵物，
and they'll be able to collect the scraps from it's meals.
引水魚就收集鯊魚咬碎的食物碎片吃。
It's long, fixed pectoral fins, enable it to soar through the water, with the least expenditure of energy.
它的長長的垂直的胸鰭，可以讓它花費很小的力量在水里巡游。
This shark has found a school of rainbow runners.
鯊魚發現了一群香蕉魚。
It would eat one, given the chance
這給了鯊魚一個機會，
but rainbow runners are swift and agile and not easily caught, so, it bides it's time.
但是香蕉魚游的敏捷迅速，白鰭鯊不容易捉到，因此鯊魚耐心等候。
There's a chance that, eventually, it may spot a weakened fish that's catchable.
可能到最后可以找到一條容易抓到的老弱的魚。
The hunter endlessly waiting.
獵人，還在無盡的等待著。
