Changing Seas - Season 10

Dr. Denise Herzing has dedicated her career to studying wild Atlantic spotted dolphins in the Bahamas. She researches the animals’ social structure, behaviors and communication. Now modern technology is making it possible to correlate the dolphins’ sounds and behavior, bringing experts closer to decoding dolphin communication.

On a shipwreck near Key West lives a tiny potential new threat. Researchers want to know where this new species came from, and whether its sudden appearance spells disaster for the delicate coral reef ecosystem in the Florida Keys.

While American crocodiles are recovering in parts of their range, their future looks bleak in Jamaica. Habitat loss and poaching have led to a drastic decline in the population. Dedicated experts are working to save the species through research, education, and conservation initiatives.

Flats fishing is popular with recreational anglers in the Caribbean and the Florida Keys. But until recently, little was known about tarpon, bonefish and permit – the species most coveted by sports fishermen. Now scientists are studying the fish to better understand their movements, habitat, and spawning behaviors.