The Greenland sleeper shark can reach a maximum length of about 21 feet (6.4 meters) and live in the chilly waters of the North Atlantic and Arctic. Shown here in a screengrab of a video by GEERG, a ... more 
The Greenland sleeper shark can reach a maximum length of about 21 feet (6.4 meters) and live in the chilly waters of the North Atlantic and Arctic. Shown here in a screengrab of a video by GEERG, a research group that studies the Greenland sha less 
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LiveScience.com | Photo By GEERG, video screengrab
Mon, Jun 25, 2012 3:20 PM EDT