Superfish Bluefin Tuna
Rick Rosenthal goes on a quest that plumbs the secrets of the legendary bluefin tuna. This fish can weigh up to 1,500 pounds and can move up to 50 miles per hour. Here he catches a bluefin tuna on camera.
Shark vs Tuna
A clash of true oceanic titans sees fights in the remote battlefields of Ascension Island. Tuna are often faster, fitter and bigger than the sharks.
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Rick Rosenthal
