Greenland Sharks Can Take 150 Years to Reach Reproductive Size

This shark may spend a century just growing up.

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🤯 Did You Know (click to read)

Maturity is estimated to occur at around four meters in length for females.

Growth and age modeling indicate Greenland sharks may require roughly 150 years to reach lengths associated with sexual maturity, making adolescence last longer than modern human history in many nations.

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💥 Impact (click to read)

An individual born before the Industrial Revolution could still be decades away from reproducing, stretching a single life stage across eras of technological transformation.

This unprecedented delay amplifies extinction risk because population replacement operates on biological clocks far slower than commercial fishing cycles.

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