Bering Sea Pacific Sleeper Sharks Withstand Pressures Over 200 Times Surface Levels

This shark endures pressure that would implode unprotected metal.

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Every 10 meters of seawater adds roughly one atmosphere of pressure.

Pacific sleeper sharks inhabit depths exceeding 2,000 meters in regions like the Bering Sea, where hydrostatic pressure surpasses 200 atmospheres, conditions capable of crushing most air-filled structures.

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Unlike bony fish with gas bladders, the shark’s cartilaginous skeleton and oil-rich liver prevent catastrophic compression, allowing a multi-ton vertebrate to function where sunlight has never penetrated.

Its survival at such crushing depths reveals how evolution engineered a body plan that solves extreme pressure physics, enabling one of the ocean’s largest predators to occupy territory inaccessible to most large animals.

Source

NOAA Ocean Exploration

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