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These colonies are extremely rare.
这种栖地极为稀有
Not surprisingly, most life thrives
难怪多数生物 都聚集在靠近海面之处
nearer the surface, where feeding is considerably easier.
在这里觅食轻松许多
These are krill, tiny shrimp-like crustaceans.
这是磷虾 类似虾子的细小甲壳动物
Swarms can reach astounding numbers - 60,000 per cubic metre.
磷虾群数量惊人 每立方公尺可高达六万只
During the night they rise towards the surface to feed on plankton.
它们会在夜间 浮上海面，吃浮游生物
Here, in the Sea of Cortez, off Mexico,
在墨西哥的科提兹海
the swarms attract hunters of all kinds,
磷虾群吸引各式掠食动物
from humpback whales to shoals of predatory fish.
从大翅鲸到大批食肉鱼类
Yet another hunter arrives. It's one from the deep.
有另一个猎人抵达了 它来自深海
A Humboldt squid.
这是美洲大赤鱿
Two metres long, they have a local reputation
身长两公尺 当地人称为
as man-eaters.
吃人怪兽
