Nielsen has been doing research on Greenland sharks for almost his entire academic career. The animals are known to eat ...

The Greenland ... that this shark could live to 200 years old, and its slow way of life means it expends little energy when scavenging for food - perhaps a drowned Polar bear or dead whale.

Greenland sharks are apex predators, but they aren’t always hunters. While they do catch seals and fish, they also scavenge, feeding on animal carcasses such as those of polar bears or reindeer ...

Between eight and 14 feet but can reach up to 23 feet Using this method, scientists discovered Greenland sharks have a life expectancy of at least 272 years and could reach 392, give or take about ...