英国研究者通过研究小棘鱼的行为发现比起自己一个人他们更愿意冒险与伙伴一起外出觅食。

British researchers studying the behavior of tiny stickleback fish have found that they are much more willing to take risks in search of food in pairs than alone.

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但是，腔棘鱼的远亲elpistostegalians（译注：大概是一种爬上陆地的古鱼，没找到对应的中文）向陆地进发的努力“被这次大灭绝毁于一旦，”McGhee 解释说。

However, the invasion of the so-called elpistostegalians—distant relatives of the coelacanth—"got wiped out by these extinction events, " McGhee explained.

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对一个有十条鲜活的棘鱼鱼群的初步研究显示，他们确实和那条机器鱼混在了一起。

A preliminary study of a shoal of ten flesh-and-blood sticklebacks shows that they do indeed mingle with therobot.

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