Nine-spined stickleback share the human ability to copy each other's behaviour if it's to their advantage.

九刺鱼和人类一样，如果对它们有利的话，能够相互模仿行为。

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Now, scientists say they've found the first animal example of this behavior in a common fish, the nine-spined stickleback.

目前科学家们说他们第一次在普通的九叶穿柳鱼身上找到了动物的这种行为。

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Now, scientists say they've found the first animal example of this behavior in a common fish, the nine-spined stickleback.

目前科学家们说他们第一次在普通的九叶穿柳鱼身上找到了动物的这种行为。

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