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I still haven’t gotten beyond the ‘gee whiz’ factor of studying communities of animals in deep-sea coral habitats. Climbing over undersea mountains and along the steep cliffs of submarine canyons using subs and ROVs...
Imagine: You’re in a small submersible, and you gently settle on the soft muddy...
As children, many people have dreamed of plunging beneath the ocean surface to...
Take a tour of the Alvin, a three-person submersible that allows scientists to...

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Fargo, the dog pictured here, is not just having a relaxing day at sea. He is helping researchers at the New England Aquarium in Boston detect scat (or poop) from North Atlantic right whales . The dogs find about four times more...
In this video Smithsonian research zoologist Dr. Martha Nizinski takes...
How many animals swim in the sea? It's not easy to count them all. To get a...

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The submersible Alvin carries scientists to the deep ocean, where they encounter amazing creatures and views of deep ocean...

The Ocean Blog

The world beneath the Arctic ice is magical, but cold. Divers have to tolerate temperatures of 30 degrees Fahrenheit (about -2° Celsius.) To stay warm they wear thermal undergarments and use special...
Smithsonian zoologists inside the Curasub , a 5-person submersible. They're exploring the biodiversity of the deep reefs off Curaçao in the southern Caribbean. Read more and watch videos about the...
Scientists journey to the isolated island of Moorea on a quest to catalog every life form big enough to pick up with tweezers—from mountaintop to seafloor. Get up close and personal with researchers...
The Chikyu allows scientists to gather and study data about seafloor sediments as soon as they are collected. After a powerful 9.0 earthquake triggered a devestating tsunami in Japan in March 2011 ,...
The Johnson-Sea-Link submersible reaches the ocean’s surface with a specimen of Keratoisis bamboo coral inside its collection box. Find out how ocean scientists study deep-sea corals in our Deep-sea...
Some of the most otherworldly animals—like those straight from a science fiction story—can be seen in the open ocean at night. By drifting in the blackwater in a scuba suit just under the surface,...
Ice divers Katrin Iken (left) and Elizabeth Siddon are about to descend through a hole in the Arctic ice and into the frigid world below.
Smithsonian Zoologist Dr. Clyde Roper (rear) and museum specialist Mike Sweeney examine the mantle of a dead giant squid. Everything we know about giant squid comes from studying specimens found...
Dr. Brendan Roark discusses different methods of sampling deep-sea corals with undergraduate students Sam Kuykendall, left, and Beth Stockert, center, in the Stable Isotope Geosciences Facility at...
In this video Smithsonian research zoologist Dr. Martha Nizinski takes viewers with her as she searches for crustaceans in the deep sea . She's particularly interested in finding squat lobsters ,...
The submersible Alvin carries scientists to the deep ocean, where they encounter amazing creatures and views of deep ocean life. Explore more in the Deep Ocean Exploration section .
Submarine pilot Bruce Brandt secures ARMS (Autonomous Reef Monitoring Structures) to the submersible Curasub off the coast of Curacao. In shallow water, SCUBA divers can place these biodiversity-...
A deep-sea octopus wraps itself around a submersible’s robotic arm 2,300 meters (7,546 feet) down in the Gulf of Mexico. "Most octopuses will let you get close, maybe even touch them, but normally...
The pre-industrial American landscape was once rightly described as a place where “the deer and the antelope roam.” On land, we take it for granted that the plant-eating deer and antelope far...
Ice divers use a quadrat to study the density of creatures living on the underside of Arctic ice floes. A quadrat is a standardized square used to take sample measurements that allow researchers to...
About DROP DROP is a multidisciplinary Smithsonian project exploring the diversity of tropical deep reefs off the coast of Curaçao in the southern Caribbean. Deep reefs are natural extensions of...
The Hawaii Undersea Research Laboratory’s Pisces V submersible is lowered for a dive to study deep-sea corals. Learn more about research into deep-sea corals in the multimedia feature " Coral Gardens...
Scientists in the Division of Fishes at the Smithsonian's National Museum of Natural History use X-ray imaging to study the complex bone structure and diversity of fish. This image gallery showcases...
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