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.
https://www.sciencedaily.com/r....eleases/2025/07/2507
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