What is Somniosidae?
[[File:Somniosus microcephalus okeanos.jpg|thumb|250px|''Somniosus microcephalus'']] The '''Somniosidae''' are a family of [[shark]]s in the order [[Squaliformes]]. They are commonly known as '''sleeper sharks''',<ref>{{FishBase family |family=Somniosidae |month=February |year=2011}}</ref> because of their slow swimming. They have a low activity level, and seem to have a non-aggressive nature.<ref>{{cite web|url=http://mentalfloss.com/article/60781/7-cool-facts-about-greenland-shark|title=7 Cool Facts About Greenland Sharks|author=Erin McCarthy|publisher=MentalFloss.com|date=December 18, 2014|access-date=August 17, 2016}}</ref><ref>{{cite web|url=https://seagrant.uaf.edu/news/00ASJ/12.08.00_SleeperShark.html|title=Sleeper Sharks not so sleepy|author=Bruce A. Wright|publisher=Arctic Science Journeys, University of Alaska Fairbanks|date=December 8, 2000|access-date=August 17, 2016}}</ref> == References == {{reflist}} [[Category:Sharks]]