n.棘魚(yú)

Similar principles underlie the evolution of new body forms in completely wild populations of stickleback fish. 從完全野生的族群演化出新體形的棘魚(yú)，也是透過(guò)類似的原則。

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. 英國(guó)研究者通過(guò)研究小棘魚(yú)的行為發(fā)現(xiàn)比起自己一個(gè)人他們更愿意冒險(xiǎn)與伙伴一起外出覓食。