Today's Catch

Illustration of eddy fields in the Atlantic Ocean

Robot Explores Ocean Eddies

The first unmanned, underwater robot or glider Scarlet Knight maneuvers through the dangerous opposing and circular currents in swirling eddy fields of the Atlantic Ocean to collect data below the waves where satellites cannot see. A satellite...
The robotic glider Scarlet Knight

Robotic Glider and Barnacles

Scientists met the robotic glider Scarlet Knight about halfway along its journey of scientific exploration from the United States to Spain, discovering that barnacles were growing on the glider’s body, as this graphic illustrates. As algae began to...

Papahanaumokuakea, United States

The Papahānaumokuākea site in the United States was inscribed on the World Heritage List in 2010. The site is a vast isolated cluster of small low-lying islands and atolls with its surrounding ocean. Apart from the deep cultural significance the...

Celebrating the Raven Spirit Canoe Launch

November is American Indian Heritage Month . Mark the occasion by learning about the Raven Spirit Canoe , a craft that was carved in Alaska by master carver Douglas Chilton of the Tlinget Nation. The Sealaska Heritage Institute brought the canoe to...
a bowhead whale and her calf, seen from above

Bowhead Whale: One Species at a Time

In the episode of One Species at a Time , writer Karen Romano Young takes an icebreaker to Barrow, Alaska, to join in the festival of Naluqatak and learn about the intimate relationship between the Inupiat Eskimos and the bowhead whale ( Balaena...
Mystery Photo: Prickly Puzzler on the Reef

Mystery Photo: Prickly Puzzler on the Reef

What is this bizarre, spiky-looking organism? Hint: it can be found in tropical areas of the Pacific and Indian ocean basins crawling slowly over coral reefs and devouring any living coral polyps that it encounters. “Outbreaks” of this organism can...
Trash Sculpture on the Beach in Bonaire

Marine Debris: Trash Travels, But You Can Help Stop It

Marine debris--or trash that has washed or been dumped into our ocean and coastal areas--is not only unsightly but can also pose a serious hazard for humans and marine life. On Bonaire, beach-goers made a trash sculpture from debris that came from...
Caribbean boulder star coral (Montastrea cavernosa)

Star of the Reef: One Species at a Time

Each month, the Naked Oceans podcast invites a leading marine researcher to pick the "critter of the month" by asking: if you were a marine organism, which one would you be? This month, Dr. Nancy Knowlton , the Sant Chair for Marine Science at NMNH...
Big Red Deep Sea Jellyfish

Big Red Jellyfish

Marine biologists from MBARI nicknamed this startlingly large jellyfish—which grows over one meter (three feet) in diameter—"big red." It would be hard to miss, except that it lives at depths of 650 to 1,500 meters (2,000 to 4,800 feet). Big red...
a marine iguana, Amblyrhynchus cristatus

Marine Iguanas: One Species at a Time

No iguana wants to be cooked alive on a hot rock and then served up as dinner for a Galapagos hawk. But it turns out the marine iguanas ( Amblyrhynchus cristatus ) have a strategy that warns them of the presence of hawks they can’t see. They learned...

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