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The Ocean Blog

Remotely located in the central Pacific Ocean, south of Hawaii, the Line Islands provide a remarkable research opportunity. The archipelago includes coral reefs reflecting the whole spectrum of...
This photo of a freshly cut dorsal fin from a scalloped hammerhead shark ( Sphyrna lewini ) , was taken in 2006 on a long-lined fishing boat in Cocos Island, 300 miles off the Pacific coast of Costa...
Rivulus fish live in bodies of water that sometimes become contaminated with hydrogen sulfide—an extremely toxic compound that smells like rotten eggs. When this happens, the adaptable fish wiggle...
These brittlestars ( Ophiothela mirabilis ) are not where they belong. These animals, usually found in the Pacific Ocean, were first spotted in the Atlantic Ocean off the coast of Brazil in 2000. And...
Home is where the hull is: Since the dawn of seafaring, humankind has had to deal with pesky creatures, such as barnacles, that “foul” ship hulls and boat propellers like this one. Find out more in...
Grey reef sharks ( Carcharhinus amblyrhynchos ) are among the most versatile and tough predators on a Pacific coral reef, but they are also among the most vulnerable species, as they are threatened...
It's illegal to hunt threatened species such as the Dusky shark, but still tens of millions of sharks are taken each year for their fins—in high demand as a delicacy in China. Inside his laboratory...
In 1872, the United States did something remarkable. We set aside one of our greatest natural treasures, Yellowstone National Park , for future generations to enjoy and appreciate. The logic was...
What is blue carbon? It's a term used to describe the carbon that is captured from the atmosphere by ocean ecosystems, mainly coastal mangroves, seagrasses and salt marshes. These coastal areas can...
Over the past several decades, Florida’s coastal wetlands have been changing. Along the eastern shore, researchers have seen small mangrove trees appearing in areas further north than they usually...
CREDIT: © Mary Parrish/Smithsonian Institution 1. Respect Your Elders Sharks have a long and impressive lineage. Ancient sharks were cruising the ocean 400 million years ago—long before dinosaurs...
Imagine: You’re in a small submersible, and you gently settle on the soft muddy bottom at a depth of 12,000 feet. It’s absolutely dark. What will you see when the exterior lights are turned on? Will...
Tuna caught in the Indian Ocean show the huge scale of commercial fishing. More about sustainable seafood can be found in our Sustainable Seafood feature story.
Deep-sea coral beds are true biodiversity hotspots. It’s urgent that we study these extreme environments because we know so little about them, because they are important communities for so many deep-...
We began this journey three months ago, a team of scientists and filmmakers traveling the East African coastline by boat to document and research the status of coral reefs from South Africa to Kenya...
Dr. Chris Reddy, an environmental chemist from Woods Hole Oceanographic Institution studies the long-term impacts of oil spills. Watch as he digs beneath the surface in Massachusetts’ Wild Harbor...
In 1989, the Exxon Valdez oil tanker ran aground in Alaska’s Prince William Sound, spilling 11 million gallons of crude oil into the water and onto the beaches of the remote ecosystem. Richard Carson...
Can painted wooden fish on a schoolyard fence change human behavior and help clean up the ocean for the real salmon? Stream of Dreams in British Columbia thinks so, and a lot of wooden fish and some...
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