Animal News: "Prehistoric" Shark Seen Attacking Deep Bait
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© 2010 National Geographic; Video: Justin Marshall, Queensland Brain Institute
"Prehistoric" Shark Seen Attacking Deep Bait
July 22, 2010—A sixgill shark—a species often referred to as prehistoric because of its resemblance to sharks living hundreds of millions of years ago—is seen biting on bait at a camera trap deep off Australia. It's part of a project to learn more about deep-sea creatures and possible correlations with human sight and brain development.