Reefs and sharks are vital to the health of marine ecosystems. | SHARK WEEK kicks off Sunday 8/7c on Discovery.\r
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Some shots of Caribbean Reef sharks while diving in Jardines De La Reina, in Cuba.They get very, very close!\r
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This is video of diving with reef and silky sharks in the Garden Of The Queen of the coast of Cuba. I had the pleasure of diving with Mario Delgado Malagon, .\r
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Shark scientists scramble to attach a satellite tag to a longfin mako, a very rarely seen shark that we know almost nothing about. From Shark Week 2015s .