News Release

被捕食者领导地位的优势和劣势

Peer-Reviewed Publication

Proceedings of the National Academy of Sciences

Stickleback before choosing a virtual prey to attack.

image: Stickleback before choosing a virtual prey to attack. view more 

Credit: Image courtesy of Florence Rocque and Christos C. Ioannou.

科研人员向真实的鱼类捕食者呈现了虚拟猎物的模拟,并且把被捕食者的个体编程为充当领导者和追随者,他们发现,尽管领导其他被捕食者的被捕食者的被捕食的风险增加,成为群体的一部分比被隔离更安全,因为捕食者更可能攻击被隔离的个体;这些发现提示,位于鱼群中部的被捕食者有最安全的位置,而当被捕食者联合起来而非单独游动的时候,它们更能免于被捕食。

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