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🤯 Did You Know (click to read)
Shark livers can constitute up to a quarter of their body weight in some species.
Unlike many bony fish, sixgill sharks do not possess a gas-filled swim bladder. The absence of compressible air spaces allows them to descend to extreme depths without the risk of implosion from pressure changes.
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💥 Impact (click to read)
Their buoyancy is instead managed through large, oil-rich livers and dynamic movement, enabling stable positioning in water columns that would collapse air-filled organs.
This anatomical difference illustrates a biological workaround to a physical constraint that engineers must design around. Where machines require reinforced hulls, sixgills rely on evolutionary physics.
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