Juvenile Growth Likely Requires Massive Energy Investment Before First Reproduction

This shark may grow for over a decade before producing a single offspring.

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Late maturity is a common trait among large shark species, contributing to their sensitivity to fishing pressure.

Like many large shark species, megamouth sharks are believed to grow slowly and reach sexual maturity only after many years. Such delayed reproduction means individuals must survive extended juvenile phases before contributing to the population.

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💥 Impact (click to read)

A creature already nearly two meters long at birth may still require years of additional growth before maturity. That prolonged development amplifies vulnerability to environmental change and accidental capture.

Slow life histories create a biological gamble: decades of survival must precede reproduction, making each adult megamouth the product of sustained ecological stability in deep pelagic waters.

Source

National Oceanic and Atmospheric Administration

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