Goblin Sharks (& one attacking the arm of a diver)

Video footage of a Goblin Shark attacking the arm of a diver can be viewed at http://www.youtube.com/watch?v=eh_HUIJkRzU. The goblin shark (Mitsukurina owstoni) is a deep sea creature that's been sighted less that 50 times since its discovery. They're the only living representative of the family Mitsukurinidae. An artist's version of one can be found at http://www.facebook.com/photo.php?fbid=622690581085290&set=a.456449604376056.98921.367116489976035&type=1&ref=nf .