Seasons & Episodes
Super Grouper
At a time when large fish are rapidly disappearing from the world's oceans, one giant is making a comeback in Florida. T
Mission to Inner Space
NOAA's Aquarius Reef Base is the only undersea research station operating in the world today. Located just three and a h
Corals of the Deep
In the deep waters off Florida's Atlantic coast grow magnificent structures, capable of reaching 300 feet in height. The
Farming the Sea
An ever-growing demand for fresh seafood has pushed wild stocks around the world to the brink. Aquaculture is one altern
No Fish Left Uncounted
How do you count two fish, three fish or even a school of fish? In Dry Tortugas National Park, located 70 miles from Key
Sentinels of the Seas
Bottlenose dolphins are a beloved Florida icon. But, recent studies show disturbing signs of immune system dysfunction a
Seagrasses and Mangroves
An ancient species of flowering plants that grow beneath the surface of the world's oceans, seagrasses link coastal cora
Sinking the Vandenberg
In the turquoise blue waters of the Florida Keys, a new attraction is drawing scuba divers from around the world: The US
Alien Invaders
In the waters of the western Atlantic and Caribbean, a voracious alien predator has taken hold. Native to the Indo-Pacif
Reef Revival
In the emerging science of coral reef restoration, marine biologists and resource managers are discovering naturally occ
Prescription: Oceans
The oceans are part of America's newest medical frontier. In Florida, scientists are studying a variety of marine invert
After the Spill
The catastrophic oil spill in the Gulf of Mexico in April 2010 may no longer make headline news, but the story is far fr
Tracking Tigers
Sharks are beleaguered species. The oceans' most formidable apex predators are overfished worldwide for their fins, whic
Mysterious Microbes
They are some the ocean's tiniest inhabitants. On coral reefs, microorganisms are copious creatures. But in a world that
Grouper Moon
Join researchers from the Reef Environmental Education Foundation and the Cayman Islands Department of Environment as th
Coastal Carnivores
On the southern tip of the Florida Everglades, the Shark River meets the Gulf of Mexico. This estuary is home to a numbe
Coral Hybrids
While Elkhorn and Staghorn corals have undergone a drastic decline in the Caribbean, their hybrid, "Fused Staghorn," is
Sunken Stories
In the Florida Keys, divers from around the country learn how to map shipwrecks and apply their skills on a mysterious 1
Creatures of the Deep
In the cold, deep waters of the Gulf of Mexico, little-known animals spend their entire lives in near darkness, far remo
Reefs of Rangiroa
Scientists with the Global Reef Expedition are on a six year mission to study remote coral reefs around the world. While
Living Fossils
Crinoids have been around in various forms since before the age of dinosaurs. Now experts descend into the deep to study
Biggest Fish in the Sea
Each summer, the world's largest known aggregation of whale sharks occurs just off the coast of Cancun, Mexico, giving e
Galápagos: Windows into the Future
The unique oceanic conditions of the Galápagos Islands serve as a perfect natural laboratory to study how climate chang
Saving Sawfish
Strange and prehistoric-looking, Smalltooth Sawfish were once coveted by anglers as popular trophy fish. But habitat los
Sea Turtles: The Lost Years
After sea turtle hatchlings emerge from their nests, they vanish into the sea. Until recently, their journey was largely
Grand Cayman's Famous Stingrays
Each year, thousands of tourists interact with the tame southern stingrays that congregate in the shallow waters of Gran
Billfish: Battle on the Line?
The unique oceanographic conditions of the eastern tropical Pacific make the area one of the best spots in the world for
The Secret Sex Life of Fish
Most people are familiar with the pretty tropical fish found in aquariums, but few realize that some of these animals ar
Sponges: Oldest Creatures in the Sea?
Until recently there was scientific consensus that sponges were the first animals to branch off the “Animal Tree of Li
Manatees: Conserving a Marine Mammal
Every winter, hundreds of manatees aggregate at Crystal River, Florida, attracted by the warmer, spring-fed clear waters
Maug's Caldera: A Natural Laboratory
In the remote Pacific, the islands of Maug rise out of the sea. Formed by an ancient volcano, shallow hydrothermal vents
Beneath the Bridge
The Blue Heron Bridge in Riviera Beach, Florida, is known as one of the best shore dives in the United States. What appe
The Future of Seafood
Scientists work with the private sector to develop sustainable offshore aquaculture.
Toxic Algae: Complex Sources and Solutions
Putrid mats of blue green algae are wreaking havoc on Florida’s shorelines. Scientists think water pollution is to bla
The Fate of Carbon
For millennia, the exchange of CO2 between the oceans and atmosphere has been in balance. Now, with more anthropogenic c
Majestic Mantas
Mexico’s remote Revillagigedo Archipelago is a hotspot for oceanic mantas. Scientists use photo ID techniques and acou
Dolphins: Breaking the Code
Dr. Denise Herzing has dedicated her career to studying wild Atlantic spotted dolphins in the Bahamas. She researches th
Cryptic Critters
On a shipwreck near Key West lives a tiny potential new threat. Researchers want to know where this new species came fro
Lords of the Wetlands
While American crocodiles are recovering in parts of their range, their future looks bleak in Jamaica. Habitat loss and
Fishing the Flats for Science
Flats fishing is popular with recreational anglers in the Caribbean and the Florida Keys. But until recently, little was
The Cordell Bank: A National Treasure
California’s north-central coast is famous for its natural splendor. Only fifty miles northwest of San Francisco’s G
Toxic Waters
Harmful algal blooms come in many forms, from toxic outbreaks impacting the health of animals and humans, to non-toxic b
Corals in Crisis
Stony Coral Tissue Loss Disease is devastating Florida’s fragile coral reef ecosystem. But all hope is not lost. Dedic
Mystery of the Humpback Whale Song
Each winter, a population of humpback whales migrates to its breeding grounds in the Hawaiian Islands. It is here that m
Florida’s Blue Holes: Oases in the Sea
Scientists explore mysterious blue holes scattered throughout the Gulf of Mexico.
A Decade After Deepwater
Ten years after the Deepwater Horizon oil rig disaster, scientists study its devastating impacts on the Gulf of Mexico a
Peru’s Desert Penguins
Scientists study the adorable Humboldt penguins that nest along Peru’s desert coastline.
American Samoa's Resilient Coral Reefs
Experts study what makes American Samoa’s coral reefs more resilient than reefs elsewhere.
Recreational Shark Fishing: Collaborating for Conservation
Shore-based, catch and release shark fishing is a popular past time in Florida. But is it having a negative impact on se
At the Water's Edge: The Salt Marsh
Along scenic coastlines in the South, waves of mesmerizing green and golden grass stretch to the horizon. This is the sa
Alvin: Pioneer of the Deep
The deep-sea submersible Alvin has brought explorers to extraordinary places for more than 50 years. Now, as Alvin is po
Habitats: The Key to Florida's Fisheries
Tarpon and snook are two of Florida's most iconic game fish. Both species rely on mangrove creeks and ponds when they ar
Vanishing Whales
The humpback whale population that migrates between Hawaii and Alaska is considered a conservation success story. When s
Humpback Health
How does the body size and overall health of humpback whales change across their migratory cycle? A team of researchers
Kelp: Hidden Treasure of the Salish Sea
Kelp forests have played an essential role in the Puget Sound ecosystem for thousands of years. Today, kelp is in declin
Saving Florida's Starving Manatees
Florida's iconic sea cows are dying in record numbers. Years of declining seagrass beds have eliminated one of the gentl