Many fish appear to hang effortlessly in the water while they wait for prey, defend a nest or pause between bursts of activity. But our research shows that this quiet stillness is anything but effortless. Hovering, the behavior that allows a fish to remain suspended in one place, is far more energetically demanding than scientists once believed.
发布者:Dr.Durant,转转请注明出处:https://robotalks.cn/fish-use-more-energy-to-stay-still-than-previously-thought/