Diving with sharks means giving them a wide berth. Florida Aquarium dive operations director Casey Coy uses a 'shark wand' to keep traffic moving smoothly in their massive reef exhibit.
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Sharks have been on earth for a very long time. Dr. Bruce Carlson of the Georgia Aquarium explains how they've changed but, in most ways, remained the same.
This clip from Discovery Channel's, "Ultimate Guide to Sharks," examines how sharks use the ocean's vibrations as well as their excellent sense of vision to find their prey.
This clip from Discovery Channel's, "Ultimate Guide to Sharks," compares the almost boundless diet of the tiger shark to the more discriminating eating habits of the nurse shark.
On this clip from Discovery Channel's, "Future Shark," researchers from the University of South Florida and the Mote Marine Laboratory team up to study the powerful bite of nurse sharks.