Decreasing Numbers of fish and stronger catch limits have reduced the possibilities for catching wild fish.

鱼类数量的减少和捕捞限制的增强，降低了野生鱼捕捞的可能性。

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When salmon farming first started in Europe, the fish often became infested with lice, which then spread to wild fish.

当鲑鱼养殖在欧洲开始的时候，这种鱼经常伴随着虱子大量滋生，随后虱子又蔓延到野生鱼上。

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For aquaculture, they affect the performance of farmed fish, help fish farmers satisfy consumer demands and even influence how farmed and wild fish interact in nature.

就水产养殖来讲，鱼类遗传资源会影响养殖鱼的性能，有助于养殖渔民满足消费者的需求，甚至可以影响养殖鱼类与野生鱼类在自然环境中相互作用的方式。

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For aquaculture, they affect the performance of farmed fish, help fish farmers satisfy consumer demands and even influence how farmed and wild fish interact in nature.

就水产养殖来讲，鱼类遗传资源会影响养殖鱼的性能，有助于养殖渔民满足消费者的需求，甚至可以影响养殖鱼类与野生鱼类在自然环境中相互作用的方式。

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