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10 of the oddest marine animals

By: Anna Norris on June 5, 2013, 1 p.m.
Head of a frilled shark

Photo: © Citron / CC BY-SA 3.0/Wikimedia Commons

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Frilled shark

This rarely encountered shark, deemed a "living fossil," looks ancient and is often mistaken for an eel. Its strange body shape is thought to help it strike like a snake to catch prey, and its huge mouth along with thin, sharp teeth allow the shark to trap its food inside its mouth with ease.