Are 500 Year-Old Sharks Roaming Earth’s Oceans?

A recent study, led by marine biologist Julius Nielsen, discovered some Greenland sharks could be 500 years old. Sharks that were alive hundreds of years ago are still swimming strong. A Greenland shark has been found to be at least 272 years old, making the species the longest-lived vertebrate in the world—smashing the previous record held by a 211-year-old bowhead … Continue reading →