BBC | 《南太平洋》- 漂流者 14
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Out in the open ocean, they hatch into larvae
这些受精鱼卵在开阔的海域里孵化成幼体
and become part of the vast plankton soup
成为大量浮游生物的一部分
And it's not just fish that depend on the whim of the open ocean to disperse their larvae
不只鱼依赖广阔的海洋来分散它们的幼体
Land crabs and other crustaceans do too
陆地蟹和其它甲壳纲动物也是如此
But there's a deadline They each have a set number of days to reach new islands
但它们都必须在各自固定的期限内到达新的岛屿
Astonishingly,these larvae are able to home in on the smells and sounds of distant reefs
令人惊奇的是，这些幼体能够凭借气味和声响来锁定远处的礁石
Out of the millions of larvae that set off only a small fraction will succeed in colonising new islands
出发时数百万的幼体中只有很小一部分能成功开拓新的岛屿
Curiously, some freshwater fish also spawn at sea
奇怪的是有些淡水鱼也在海中产卵
and use the sea to help their larvae colonise rivers
利用海洋帮助它们的幼体去往新的河流
These freshwater eels in the Solomons began their lives hundreds of miles away
这些所罗门的淡水鳗初始时生活在数百英里外
possibly in a deep sea trench off New Guinea
很可能是在新几内亚周围的深海沟里
Yet as larvae and then elvers,they made their way into these freshwater pools
当还是幼体和幼鳗时，它们来到这些淡水池
and over 40 years,grew into two-metre giants
在40多年间长成了2米的巨鳗
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