In this clip from Discovery Channel's, "Ultimate Guide to Sharks," find out how a shark's hearing makes it the ocean's top predator.
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The Ultimate Guide to Sharks: Shark Hearing
In this clip from Discovery Channel's, "Ultimate Guide to Sharks," find out how a shark's hearing makes it the ocean's top predator.
Added: Jun 26, 2009 Views: 4362 Views Runtime: 01:15
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