Millions of young goby fish head upstream, but they must first run the gauntlet of the lowlands.

几百万只幼小的虾虎鱼正溯溪而上，但它们会在低地先遭受层层的攻击。

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A tiny goby fish searches for a meal of parasites on the snout of a grouper on the reefs off Cuba.

一条极小的虾虎鱼搜寻一顿饭的寄生虫在口鼻部的一条石斑鱼在暗礁在古巴之外。

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The previous record for world's smallest fish, according to the Natural History Museum, was held by a species of Indo-Pacific goby(15) one-tenth of a millimeter(16) longer.

自然历史博物馆说之前世界上最小的鱼是印度太平洋虾虎鱼的一种，体长十分之一毫米。

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