Greenland Sharks Can Live for 400 Years. Scientists Are Using DNA to Unravel Their Longevity Secrets

7. The Mystery of Their Reproduction

Greenland shark reproduction remains shrouded in mystery. Their extremely slow growth hints that they may not reach sexual maturity until they’re 150 years old or more. Such late maturity is shared by other long-lived marine species and further contributes to their unique life history. Discover more at NOAA Fisheries.