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3:14
Scientists study manta rays in Mexico’s remote Revillagigedo Archipelago.

3:05
Florida’s Blue Heron Bridge is popular with divers because of its rich marine life.

4:48
The Maug Islands are a natural laboratory for scientists studying ocean acidification.

2:00
Each winter, scientists head to Crystal River, Florida, to study manatees gathered there.

3:08
Are sponges the oldest creatures in the sea? DNA research has cast doubt on that theory.

2:17
Researchers study billfish in the eastern Pacific to protect the animals from overfishing.

2:35
Discover the unique ways some fish species change sex during their lifetime.

2:19
Dr. Guy Harvey and his team study the impact of ecotourism on Cayman’s iconic stingrays.

2:17
Scientists conduct research in South Florida to save the endangered Smalltooth Sawfish.
2:18
Researchers are beginning to understand where sea turtles go during their “lost years."

3:09
Scientists study how climate change may impact corals in the Galapagos Islands.

2:36
The world’s largest known gathering of whale sharks occurs just off the coast of Mexico.