Meet the longest-lived animal with a backbone. Scientists estimate that Greenland sharks live for around 250 years, but some ...

The great white was filmed by Dr. Greg Skomal from the Atlantic White Shark Conservancy People watch shark videos for the same reason that people climb Mt. Everest. Because they’re there.

Measuring the Greenland shark’s growth rate is challenging because individuals are rarely recaptured. However, one shark tagged in 1936 had only grown 2.3 inches when it reappeared 16 years later.