(Airs Sunday, August 23) Explore a haven for some of the most extreme underwater predators.
Aug 5th, 2009 | 15 comments | 17,797 Views
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Sharkland: Introduction
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The Secret World of Sharks and Rays: Species Roundup
Sharks come in a dizzying array of shapes and sizes. Here are profiles of just four of the more than 350 known species.
Mar 23rd, 2003 | 0 comments | 1,674 Views
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The Secret World of Sharks and Rays: Sharks Great and Small
The ocean's 350 species of sharks come in all shapes and sizes -- from gentle 50-foot giants that graze on plants to bizarre-looking bat-faced dwarfs.
Mar 23rd, 2003 | 5 comments | 3,874 Views
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