US EditionFor fish, hovering uses double the energy of resting, study finds
SAN DIEGO, CALIFORNIA, JUL 7 – Fish expend almost twice the energy to hover due to constant fin adjustments needed for stability, revealing evolutionary trade-offs between maneuverability and efficiency, researchers said.
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8 Articles
Biology: How much effort does a fish have to put into hovering in the water? Much more than previously thought, research shows. Video Getty Images "Hanging fish" could…
Hovering fish burn twice the energy—study shocks scientists
Hovering fish aren’t loafing—they burn twice resting energy to make micro-fin tweaks that counteract a natural tendency to tip, and body shape dictates just how costly the pause is. The discovery flips a long-held assumption about effortless neutral buoyancy and offers fresh blueprints for agile, instability-embracing underwater robots.
For fish, hovering uses double the energy of resting, study finds
Fish make hanging motionless in the water column look effortless, and scientists had long assumed that this meant that it was a type of rest. Now, a new study reveals that fish use nearly twice as much energy when hovering in place compared to resting.
Thanks to their swimming bubble, fish can float in the water without sinking or rising to the surface. This is surprisingly exhausting – especially when they are unshaped.
Fish seem to remain completely relaxed in one place. However, everything is different than a child's play, as researchers have now discovered.The findings can be used in the construction of underwater robotsKolibris can remain on the spot like a helicopter – but this costs an immense amount of energy.For fish, it is quite effortless when they float in a place in a calm water.This impression deceives how a research team has found out.The continuo…
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