A Greenland shark in the Caribbean? How the fish found itself thousands of miles from its home

This unusual species of shark was found off the coast of Belize. How did a fish that swims only in Arctic waters make it this far?

[Photo: NOAA Photo Library, Public domain, via Wikimedia Commons]

The Greenland / Polar shark , or Somniosus microcephalus, is a species of unusual spiny fish in the family Somniosidae that live in the frigid waters of the Arctic, Greenland…