Skip to main content
Donate
Access to this video is a benefit for members through PBS Passport.
Learn More
Member Sign-In
Learn More
Member Sign-In

Up Next

Dolphins: Breaking the Code

Dolphins: Breaking the Code

Season 10 Episode 1001
26:43
Cryptic Critters

Cryptic Critters

Season 10 Episode 1002
26:42
Lords of the Wetlands

Lords of the Wetlands

Season 10 Episode 1003
26:42
Fishing the Flats for Science

Fishing the Flats for Science

Season 10 Episode 1004
26:42
The Cordell Bank: A National Treasure

The Cordell Bank: A National Treasure

Season 11 Episode 1101
26:42
Toxic Waters

Toxic Waters

Season 11 Episode 1102
26:47
Corals in Crisis

Corals in Crisis

Season 11 Episode 1103
26:42
Mystery of the Humpback Whale Song

Mystery of the Humpback Whale Song

Season 11 Episode 1104
26:42
Florida’s Blue Holes: Oases in the Sea

Florida’s Blue Holes: Oases in the Sea

Season 12 Episode 1201
26:42
A Decade after Deepwater

A Decade after Deepwater

Season 12 Episode 1202
26:42
Peru’s Desert Penguins

Peru’s Desert Penguins

Season 12 Episode 1203
26:42
American Samoa’s Resilient Coral Reefs

American Samoa’s Resilient Coral Reefs

Season 12 Episode 1204
26:53
Back to Show
Changing Seas

Coastal Carnivores

Season 4 Episode 404

Scientists studying the coastal Everglades have made some perplexing discoveries. Bull sharks are living upstream where alligators should thrive, and gators are swimming out to the ocean to feed.

 Watch Preview
Stream on your TV
Support Provided By
Saving Sawfish
Unlock with PBS Passport
26:54
Season 6 Episode 604
Saving Sawfish
Scientists conduct research to save the Smalltooth Sawfish.
Galapagos: Window into the Future
Unlock with PBS Passport
27:02
Season 6 Episode 603
Galapagos: Window into the Future
Scientists spend a month in the Galapagos Islands to conduct research.
Biggest Fish in the Sea
Unlock with PBS Passport
26:54
Season 6 Episode 602
Biggest Fish in the Sea
The world’s largest known aggregation of whale sharks occurs just off the coast of Cancun.
Living Fossils
Unlock with PBS Passport
26:48
Season 6 Episode 601
Living Fossils
Discover Crinoids which have been around since before the age of Dinosaurs.
Reefs of Rangiroa
Unlock with PBS Passport
26:46
Season 5 Episode 504
Reefs of Rangiroa
The Changing Seas team meets with researchers in French Polynesia.
Creatures of the Deep
Unlock with PBS Passport
26:46
Season 5 Episode 503
Creatures of the Deep
New research sheds light on the lives of mysterious creatures of the deep.
Sunken Stories
Unlock with PBS Passport
26:45
Season 5 Episode 502
Sunken Stories
Divers from around the country learn how to map shipwrecks.
Coral Hybrids
Unlock with PBS Passport
26:45
Season 5 Episode 501
Coral Hybrids
Follow one scientist studying coral in Belize.
Grouper Moon
Unlock with PBS Passport
27:01
Season 4 Episode 403
Grouper Moon
The Cayman Islands are home to the last great reproductive population of grouper.
Mysterious Microbes
Unlock with PBS Passport
29:33
Season 4 Episode 402
Mysterious Microbes
Scientists work to identify and link a devastating coral disease to a human pathogen.
Tracking Tigers
Unlock with PBS Passport
27:16
Season 4 Episode 401
Tracking Tigers
Scientists use satellite tags and DNA forensic tools to track tiger sharks.
After the Spill
Unlock with PBS Passport
26:47
Season 3 Episode 304
After the Spill
Oceanographers continue to study the long term effects of an oil spill.
Show more
Active loading indicator