阿格利罗的团队发现，食蚊鱼最多可以分辨大到16的两个数字的大小，但前提是每个鱼群中鱼的比例大于2:1。

Agrillo's team found that mosquitofish can discriminate between numbers up to 16, but only if the ratio between the fish in each shoal was greater than 2:1.

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如果在一个枯竭的生态系统中鱼的增长是每年5%，而渔业捕捞量达10%的话，渔业就会崩溃。

If fish in a depleted ecosystem grow by 5% a year and the catch expands by 10% a year, the fishery will collapse.

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在大自然中，有的鱼以死鱼为食。

Some fish scavenge on dead fish in the wild.

《牛津词典》

There's an angler fish at the bottom of the ocean that has a rod sticking up from the top of its head with a lure to capture other fish to fool them in thinking that this is something edible and then to themselves be devoured.

在深海中生活着琵琶鱼,这种鱼的头顶会长出鱼竿状的长刺,用于引诱和捕获其他鱼类,让它们误认为那是食物,然后它们自己就被吃掉了。

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