Fish use more energy to stay still than previously thought
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 energet...
Image: Phys.org
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.
Originally published at Phys.org
