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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...
Necora puber , also known as the velvet swimming crab, may not be as soft as the name implies. The crab's red eyes and aggressive nature have resulted in a second nickname, devil's crab . As if it...
The Island Leaf-Toed Gecko ( Phyllodactylus insularis ) is one of several species of geckos that live in the mangroves of the Caribbean’s Mangal Cay. More about mangroves can be found in our...
Follow researchers Candy Feller and Dennis Whigham from the Smithsonian Environmental Research Center as they scramble, climb, crawl, and creep through the tangled roots of a mangrove forest. In this...
The blue-lined octopus may be small, growing to at most 15 cm, but it can be deadly: its venom can cause breathing failure in humans as well as other animals. Turtles can accidentally consume the...
Large numbers of grey reef sharks ( Carcharhinus amblyrhynchos ) were observed at Jarvis Island, an uninhabited Pacific island, during the 2010 Pacific RAMP expedition of the NOAA Ship Hi'ialakai ...
Melissa Frey, Encyclopedia of Life (EOL) Rubenstein Fellow, examines a Pacific oyster ( Crassostrea gigas ) on a chilly day in Sidney, British Columbia. In addition to holding an EOL Fellowship ,...
The sun sets over marshland near Ocean City, N.J.
When they get larger, Portunus sayi are formidable predators, quick to consume any smaller animal that comes within reach. Fish, other crustaceans, and even smaller members of their own species are...
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...
Bull sharks cut a threatening figure with the largest recorded bull shark reaching 11.5 feet and 500 pounds. They prey on dolphins, birds, turtles, bony fish, and other species of shark. Catching...
Squids, octopuses and cuttlefish, such as this Australian Giant Cuttlefish ( Sepia apama ), compose just one group of animals that call seagrass beds home. Clams and worms bury themselves in the mud...
What can students do to help the ocean? It turns out, a lot! These students from across the United States and Mexico are developing action plans on ocean and climate-related issues in their local...
This mangrove island in the Pelican Cays, Belize, was clear-cut and filled with dredged sand and coral from the adjacent reef flat. Developers are clearing and dredging mangroves in an attempt to...
By Caty Fairclough In centuries past, the ocean was thought to be full of krakens, sea serpents, sea monsters and other fantastic creatures. They helped to bring the mysterious ocean into the more...
With their brown and yellow markings, seaside sparrows ( Ammodramus maritimus ) blend in well with marshgrass. They often spend their entire lives in the marsh where they were born, pecking at...
Hardy head silversides ( Atherinomorus lacunosus ) are abundant fish in shallow water seagrass meadows throughout the Indo-Pacific that often form shoals. They feed primarily on zooplankton and small...
Arching mangrove roots like these help keep trunks upright in the soft sediments at water’s edge. More about mangroves can be found in our Mangroves featured story .
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