Months or years later, the young fish start their trip to the ocean.

数月或数年后，幼鱼开始了它们的海洋之旅。

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A main objective is to protect spawning and young fish.

一个主要目的是保护产卵的鱼和幼鱼。

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Nemo, like all young fish, is eager to explore the mysterious reef.

与所有小鱼一样，尼莫迫不及待地去那神秘的堡礁探险。

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In the past if we brought up a lot of young fish we might have another haul to see what would happen.

BBC: Can new technology save fish?

These included voluntary closures of fishing areas and independent on-board observers to make sure young fish were not caught and then discarded.

BBC: RELATED BBC SITES

Their conclusion is that, on current trends, the population in the north-east Atlantic and Mediterranean will collapse because young fish are being caught before they have the chance to breed.

ECONOMIST: Efforts to ban the international trade in bluefin tuna