Reaching Sexual Maturity Takes Years in the Frilled Shark

This predator delays adulthood far longer than most fish.

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🤯 Did You Know (click to read)

Many deep-sea sharks share similar slow-growth characteristics.

Due to slow growth rates in cold, deep environments, frilled sharks take years to reach sexual maturity. Extended juvenile periods are consistent with their overall low metabolic rate and long gestation cycles.

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💥 Impact (click to read)

Delayed maturity reduces lifetime reproductive output compared to fast-growing coastal species. Each individual represents a long developmental investment before contributing to the next generation.

Such slow life history traits make deep-sea species particularly vulnerable to overfishing. Recovery timelines can stretch across decades rather than seasons.

Source

Woods Hole Oceanographic Institution

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