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The Californian upwellings are seasonal and relatively small
加利福尼亞寒流是季節性洋流，相對較小，
but in Southern Africa they're so big,
不過在南部非洲的洋流則非常大，
they create seas rich enough to support colonies of over a million seals.
帶來的充足食物能滿足百萬只海豹的需要。
The Benguela Current sweeps along the western coastline of Southern Africa
本格拉寒流--沿南部非洲西岸流動，
driving nutrient rich waters up to the surface
給海洋表面帶來充足養分，
and then, at the southern tip of Africa it meets the Agulhas Current, arriving from the east.
然后，在非洲南端與沿非洲大陸以南海域流動的厄加勒斯暖流匯合。
The result: even richer waters.
結果是海洋養分更加豐富。
The seals here thrive on a diet of fish and squid.
海豹在吃這里大量的魚和槍烏賊。
In temperate seas there may actually be more squid than fish.
在這塊海洋里，魷魚實際上要比魚類多。
These are choker squid, and they lay their egg capsules in sandy shallows bathed by the warmer Agulhas Current.
這是寬褶魷魚，它們在厄加勒斯暖流經過的砂質淺海處產卵。
Each capsule contains a hundred tiny squid.
每個卵囊都有100多條小魷魚。
Within a few days they develop spots of pigment
幾天后它們長出一些色斑，
which, when they're adult, they will use to communicate with one another.
等到成熟后，就可以用這些色斑來互相聯系。
With females continuing to lay eggs
雌魷魚繼續產卵，
and males still preoccupied with repelling rivals, the squid drop their guard. Stingray.
雄魷魚則忙于擊退競爭對手而放松了警惕。黃貂魚。
Short tailed stingray can be up to two meters across.
短尾魟身長可達2米。
They're the largest of all the stingrays, and they have appetites to match.
它是世界上最大的一種魟，與之相稱的還有它的胃口。
