Greenland Sharks Are Dog Slow — So How Do They Eat?

Greenland shark

Greenland shark part of a drawing in ‘Male Narwhal or Unicorn. Greenland Shark.” In: “An account of the Arctic regions with a history and description of the northern whale-fishery”, by W. Scoresby. 1820. Source http://www.photolib.noaa.gov/library/libr04

We’ve barely explored the world’s oceans, but when it comes to marine life living in the harsh conditions at the poles where few scientists and explorers can spend time, we are constantly being surprised by what we’re discovering. The Greenland shark — the largest shark in the dogfish family — is no exception. It’s slow — really slow — so scientists asked the logical question: “If it’s so slow, how does it catch prey?” The BBC reports on a recent study. [Read more...]