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The Ocean Blog

Once common in the West Indies, the Black Capped Petrel ( Pterodroma hasitata ), which breeds in high Caribbean mountains, is now on the endangered species list. Unlike many seabirds, it is active...
White abalones are slow-moving, algae-eating mollusks. Rapid overharvesting since the 1970s has resulted in white abalones becoming the first marine invertebrate listed as endangered on the...
At the ends of the Earth, life thrives despite extreme conditions. In the Arctic and Southern Oceans, organisms have evolved adaptations to cope with year-round cold and six months of darkness. But...
Researchers have identified five areas of high North Atlantic right whale concentration between Canada and Florida. More about the right whale can be found in our Tale of a Whale featured story .
A manatee swimming in shallow waters. The West Indian manatee is listed on the IUCN's Red List of Threatened Species as Vulnerable. More about mangroves can be found in our Mangroves featured story .
A young Kemp's ridley sea turtle ( Lepidochelys kempii ) recovers at the Audubon Aquarium of the Americas, after the 2010 Gulf of Mexico oil spill. Turtles were cleaned and nursed back to health with...
In the dark, cold waters 600 meters (nearly 2000 feet) below the ocean's surface, things happen slowly. Orange roughy ( Hoplostethus atlanticus ) , deep ocean fish that were once known as "slimeheads...
In 1996, at age nine, Phoenix has her first calf (North Atlantic right whale #2605) off the southeast coast of Florida. More about the right whale can be found in our Tale of a Whale featured story .
Phoenix swims in George’s Bank, off the coast of New England, on March 13, 2009. More about whales can be found in our Tale of a whale featured story .
Phoenix is seen skim feeding off the coast of Maine in August 2004. More about the right whale can be found in our Tale of a Whale featured story .
A close up view of Phoenix and the rough patches of skin known as callosities that are found on all North Atlantic right whales . These callosities are inhabited by small amphipods called whale lice...
These statistics come from a United Nations Food & Agriculture Organization 2007 review of the status of global fish stocks. Learn more in our Sustainable Seafood section .
The North Atlantic right whale is one of the world's largest animals, but scientists estimate that fewer than 450 remain. In the past, they were hunted for their oil and baleen; now they get tangled...
Sarah Gotheil, from IUCN Global Marine Programme , snapped this photo in the course of her research into fragile species and ecosystems. A new project led by IUCN will unveil the mysteries of...
The Sundarbans National Park site in India was inscribed on the World Heritage List in 1987. The site, located in the Ganges delta, contains the world's largest mangrove forest and hosts a number of...
Scientists from the U.S. and Greece are working from opposite sides of the ocean to save the Hawaiian (pictured here) and Mediterranean monk seals . The IUCN Red List of Threatened Species has...
“Leatherback turtles are critically endangered, and this young hatchling is a symbol of hope for their future.” -- Nature's Best photographer, Jason Bradley . See more beautiful ocean photos in our...
Phoenix swimming with her calf in February 2007 in the Southeast calving grounds off the coasts of Georgia and Florida. Researchers track these highly endangered whales (there are only about 450 of...
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