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In the Okavango, animals must always adapt to the coming and going of freshwater.
在奥卡万戈三角洲，动物必须适应这里时有时无的淡水。
But there are a few rare places, as here in Lake Malawi, where freshwater has lain for millions of years.
但在一些罕见之处，比如马拉维湖，淡水数百万年不间断的存在。
And that has enabled life to evolve into a dazzling diversity of species.
这使生命得以进化，形成了此处千姿百态的丰富物种。
There are over a thousand different kinds of fish here... more than any other lake on Earth.
这里孕育着数以千计不同的鱼类，比地球上任何一处湖泊都多。
Competition in these waters is intense.
水中各色物种的竞争激烈异常。
Meet Nimbochromis livingstonii. A master of deception that tricks other fish into thinking it's dead.
这是利氏雨丽鱼，也称迷彩鲷。一名骗术高手，假装自己已经死了。
Its mottled colouration mimics decaying flesh.
迷彩鲷身上斑驳的色彩看上去如同腐烂的肉体。
But to appear dead, one must at least... act dead.
但想要装死，迷彩鲷必须如尸体般一动不动。
This juvenile is fooling no-one. Perhaps faking his death will be more believable.
这条年轻的迷彩鲷骗不到任何鱼。也许假装猝死会更可信。
Blown it. A more subtle performance will be needed.
搞砸了。演技还需进一步打磨。
This is more convincing. But his aim must be better than that.
这次更逼真了。但显然还需要继续提高。
Nearly. It seems he's overstayed his welcome.
就差一点。看来得换一个地方了。
In a final effort... he appears to even hold his breath. Success at last.
最后一次尝试，迷彩鲷似乎甚至屏住了呼吸。终于成功了。
All it took was a million years of evolution... and the unique stability of this ancient lake.
这一切需要生物百万年来的演化，以及这片湖泊历久弥坚的稳定性。
