加拿大科学家发现,雄孔雀鱼可通过模仿雌孔雀喜爱的食物来追求异性。研究者认为雌鱼之所以对带有大橙斑的雄鱼着迷,仅仅是因为它们身上的斑点与自己爱吃的亮橙色水果非常相像。这项研究向经典的性选择理论发起了挑战,该理论认为未来 Canadian scientists have discovered that male guppies can pursue the opposite sex by mimicking the peacock’s favorite food. Researchers think that females are fascinated by males with large orange spots simply because their spots are very similar to their favorite bright orange fruits. This study challenged the classical sexual choice theory, which holds that the future