Frilled Sharks Grow Slowly in Near-Freezing Darkness

This predator matures in water barely above freezing and never sees daylight.

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Deep-sea temperatures at its preferred depths are comparable to those inside a household refrigerator.

Living in deep waters where temperatures can hover around 4 degrees Celsius, the frilled shark grows slowly and reaches maturity over many years. Cold temperatures and scarce prey contribute to its reduced metabolic rate.

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💥 Impact (click to read)

In such frigid darkness, biological processes slow dramatically. Growth, reproduction, and hunting operate on timelines alien to sunlit ecosystems, stretching survival strategies across decades.

This extreme environment fosters creatures that defy surface expectations of speed and aggression. Instead, survival depends on patience, efficiency, and anatomical precision honed over geological time.

Source

Woods Hole Oceanographic Institution

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