对于九刺鱼来说，他们很有可能的是出于适应本身所处的生态环境而习就了这一高级功能
In the case of the nine-spined stickleback , they have most likely adapted to local ecology .
在每次实验缸内，三椎刺鱼最终都能够捕捉相同数量的猎物。
Fish in each trial ultimately up the same numbers of .
刺鱼