- that sustain nearly all life in the ocean.
几乎所有生命的食物链基础 - In the Pacific waters off South America,
在南美洲附近的太平洋海域 - they feed anchovy that gather here in billions.
它们是聚集在这里的数十亿条凤尾鱼的食物来源 - This is one of the world's most productive ecosystems.
这是世界上生产力最高的生态系统之一 - These South American sea lions are on the hunt.
这些南美海狮正在捕猎 - But the anchovy shoal has already been located...
但这里的凤尾鱼群已经被发现了 - ..by the planet's most efficient hunters.
被地球上最高效的捕猎者捷足先登