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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 hold up...
Dip your head below the water's surface in a mangrove forest and an entirely...
This week at the Smithsonian Ocean Portal we embark on an experiment we're...
Photographer Brian Skerry hikes through a mangrove in Bimini (The Bahamas) to...

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In Ecuador’s Galapagos Islands, brown pelicans ( Pelecanus occidentalis ) nest at the top of a mangrove tree. Many other kinds of birds—as well as insects, frogs, snakes, and lizards—live in the canopy of mangroves. More about...
The Island Leaf-Toed Gecko ( Phyllodactylus insularis ) is one of several...
An American crocodile ( Crocodylus acutus ) resting on a bed of seagrass ...

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Mangroves are survivors. With their roots submerged in water, mangrove trees thrive in hot, muddy, salty conditions that...

The Ocean Blog

This slug caterpillar ( Acharia horrida ) turns into a very plain brown moth with stinging spines that are very nasty to rub up against. Although the slug caterpillar family occurs worldwide, this...
Mangroves canopies support an amazing array of life—including this mangrove yellow warbler ( Dendroica petechia bryanti ), the most common songbird in the mangroves of the Caribbean’s Mangal Cay...
Photographer Brian Skerry hikes through a mangrove in Bimini (The Bahamas) to scout locations to photograph baby sharks. Learn more about Brian's life in the field .
A map that shows the location of mangroves throughout the world. They are mainly found in the tropics and subtropics. More about mangroves can be found in our Mangroves featured story .
The sargassum is coated with encrusting organisms, such as bryozoans and hydroids, that use it as a perch to filter feed in the oceanic waters, as well as crustaceans such as thos swimming crab...
Students are working with the National Aquarium in Baltimore, Md., to develop an informal education plan that will communicate information about Chesapeake Bay marsh restoration and explain the...
The sun sets over marshland near Ocean City, N.J.
Dr. Ilka C. "Candy" Feller calls mangroves the 'nursery of the sea.' These important coastal habitats face many threats, including nutrient pollution from fertilizer runoff. That's the focus of much...
The Deepwater Horizon oil spill brought the world’s attention to the Gulf of Mexico and raised awareness of the region’s chronic loss of wetlands and the massive dead zone caused by excess nutrients...
Mangrove roots provide a support structure for filter-feeding organisms such as mussels, oysters, and barnacles. More about mangroves can be found in our Mangroves featured story .
On April 27, 1986, an estimated 50,000 barrels of medium-weight crude oil drained from a ruptured storage tank at a refinery in Panama, polluting the coast and the Smithsonian Tropical Research...
At the Smithsonian Tropical Research Institute in Panama, Dr. Wayne Sousa (right) studies how gaps in the canopy caused by lightning help mangrove forests regenerate. More about mangroves can be...
These Smithsonian field stations enable scientists worldwide to conduct long-term studies on mangrove ecosystems from a range of latitudes. More about mangroves can be found in our Mangroves featured...
In summer 2009, in the heart of New Orleans, a 600-foot tanker collided with a 200-foot fuel barge, tearing the barge in half. Several hundred thousand gallons of oil leaked out of the barge and into...
On April 20, 2010, the Deepwater Horizon oil rig exploded, opening up a well that pumped nearly 5 million barrels of oil into the ocean. It was the largest spill in U.S. history. In this presentation...
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...
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...
Smithsonian research assistant Anne Chamberlain and Marc Frischer from Skidaway Institute of Oceanography in Savannah, Georgia, stride through thick mud covered by algal mats in a mangrove pond at...
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