Changing Seas

Scientists collaborate with elephant seals to study their life cycles and ocean health.

Scientists in Madeira study the impacts of plastics on whales and dolphins.

Scientists work to unravel the cause of the fish spinning phenomenon in the Florida Keys.

In Playa Hermosa locals unite to protect waves, restore habitats, and save sea turtles.

Changing Seas Season 16 - Official Trailer

Changing Seas Season 16 - Official Trailer

Changing Seas Season 16 - Official Trailer

Changing Seas Season 16 - Official Trailer

Experts study what makes American Samoa’s coral reefs more resilient than reefs elsewhere.

Scientists study the body size and health of humpback whales across their migratory cycle.

Scientists explore mysterious blue holes scattered throughout the Gulf of Mexico.

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

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

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

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

Scientists study and restore juvenile tarpon and snook habitat in Florida.

Scientists work with shark anglers to study if recreational fishing is having an impact.

Researchers study one of America’s iconic landscapes – the salt marsh.

Upgrades to the storied deep-sea submersible Alvin will take it deeper than ever before.

Experts study declines in the number of humpbacks migrating between Alaska and Hawaiʻi.

Florida scientists identify microbial communities in their quest to save coral reefs.

Ten years after the Deepwater oil rig disaster, scientists study its devastating effects.

Scientists study the adorable Humboldt penguins that nest along Peru’s desert coastline.

Scientists in Hawaii study the purpose of humpback whale song.

Discover California’s Cordell Bank, a little-known ecological Eden.

Scientists study the various harmful algal blooms which are impacting Florida.

Experts study a new disease that is devastating Florida’s fragile coral reefs.

In the deep sea, strange flowerlike animals flourish in the dark.

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

Researchers are beginning to understand where sea turtles go during their “lost years."

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

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

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

Florida’s gentle giants are dying in record numbers.

A scientist studies coral hybrids to see if they are hardier than their parents.

Underwater archaeologists scour the seafloor for clues to our maritime past.

Researchers study the fishes that live in the deep, cold waters of the Gulf of Mexico.

Scientists are on a six-year mission to study remote coral reefs around the world.

Scientists use satellite tags and DNA forensic tools to study the ultimate apex predator.

Researchers study the surprising behaviors of Florida’s coastal carnivores.

Scientists conduct research in South Florida to save the endangered Smalltooth Sawfish.

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

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

In the waters of the Atlantic and Caribbean, a voracious alien predator has taken hold.

Scientists work with the private sector to develop sustainable offshore aquaculture.

Scientists study how increased levels of CO2 impact how carbon cycles through the seas.

After being fished to near extinction, Goliath Groupers are making a comeback in Florida.

Scientists at the world’s only underwater lab study the impacts of ocean acidification.

Scientists scan the ocean floor to find deep sea corals threatened by bottom trawling.

Scientists develop sustainable aquaculture methods to take the pressure off wild fish.

Fish counts help scientists to evaluate the health of fish populations in a National Park.

Legacy contaminants seriously affect the health of Florida’s beloved bottlenose dolphins.

Seagrass beds link offshore coral reefs with coastal mangrove forests.

The USNS General Hoyt S. Vandenberg attracts divers to the Florida Keys.

Experts are working to conserve and restore the Puget Sound’s declining Kelp forests.

Experts study the cause and effects of Florida’s toxic algal blooms.

A scientist dedicates her career to studying wild dolphin communication in the Bahamas.

Scientists and conservationists work together to save the American crocodile in Jamaica.

Researchers investigate a tiny, non-native species on a shipwreck near Key West.

Experts study bonefish, tarpon & permit, the fishes coveted by fly anglers on the flats.