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Changing Seas
Majestic Mantas
Season 9
Episode 904
The remote Revillagegdo Archipelago off Mexico’s Pacific coast is a hotspot for giant mantas that interact with awe-struck scuba divers. Scientists are studying the local population using photo ID techniques and acoustic tags which track the movements of these mysterious fish. They are also conducting experiments to see if the filter-feeding rays are impacted negatively by microplastics.
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26:42
Scientists study tarpon, bonefish and permit to better understand their behaviors.
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26:42
Scientists work to save crocodiles through research and conservation.
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26:42
Deep underwater, on a shipwreck near Key West, lives a tiny potential new threat.
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26:43
Modern technology is making it possible to correlate dolphin sounds and behavior.
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27:13
Changes to the ocean environment affect the way carbon is cycled through the seas.
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27:13
Lake Okeechobee, once the blue heart of Florida, now has putrid mats of blue green algae.
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27:18
Discover ways to increase fish production in a sustainable manner.
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26:43
Discover what lives beneath the Blue Heron Bridge in Florida.
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26:43
Visit the remote Pacific, the islands of Maug - a natural laboratory for scientists.
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26:43
Scientists take advantage of manatee gatherings to study them.
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26:43
Some scientists are suggesting that ctenophores are the oldest sea animals.
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26:43
Discover how some fish species change their sex.