It's one of the rare examples of the phenomenon in sharks.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/KU6BtgGdiDw" height="1" width="1"/>
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It's one of the rare examples of the phenomenon in sharks.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/KU6BtgGdiDw" height="1" width="1"/>