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Like its terrestrial namesake, the Venus fly-trap anemone ( Actinoscyphia sp.) sits quietly and waits for food to drift into its outstretched tentacles, which are lined with stinging harpoons called nematocysts. Of course, this...
Sea stars ( Odontaster validus ) and sea urchins ( Sterechinus neumayeri )...
From the open ocean to coastal tidepools, from the fantastic to the familiar, a...
Male northern elephant seals face off on the beach by vocalizing through their...

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This brilliant red octopus ( Benthoctopus sp. ) was photographed at more than 8,800 feet (about 2,700 meters) in Alaminos Canyon in the Gulf of Mexico. See more photos of wild creatures encountered during the Census of Marine...
This new species of deep-water sea cucumber ( Elpidia belyaevi ) was...
In the Coral Triangle, a biodiverse area between Indonesia and the...

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Did you know that over 17,000 species thrive in the deep sea where no light penetrates the ocean waves? Or that an old...
Can you spot the amphipod ( Phronima atlantica ) in the below photo? She's the transparent lobster-looking animal in the middle, surrounded by her own eggs -- inside a sac that once was the "barrel"...
Now that the Census of Marine Life is over, we’re checking in with some of the researchers to hear about their favorite expedition, what they learned, and how the Census and its findings continue to...
The ocean is home to a phenomenal diversity of marine organisms. They have evolved to inhabit warm waters near the equator and the icy waters of the Earth’s poles. Marine life takes advantage of the...
Sea butterflies (also called pteropods) are sea snails aptly named: they are shelled marine snails, each with a foot like a wing, that swim in the water column like butterflies. This one, Atlanta...
This new species of deep-water sea cucumber ( Elpidia belyaevi ) was discovered by Census of Marine Life researchers in the frigid waters of the Arctic . Since the 1800s, researchers observed sea...
Like its terrestrial namesake, the Venus fly-trap anemone ( Actinoscyphia sp.) sits quietly and waits for food to drift into its outstretched tentacles, which are lined with stinging harpoons called...
This close-up view of salps, which have aggregated together into a long chain, have brilliant red guts from eating red plankton. They were observed by researchers with the Census of Marine...
This copepod ( Gaussia princeps ) was collected deeper than 1000 meters in the Sargasso Sea by Census of Marine Zooplankton (CMarZ) researchers in April 2006, as part of the 10-year Census of Marine...
The ocean covers more than 70 percent of the Earth and is essential to all life. But forces of change, from overfishing to climate change, are affecting the ocean and humanity's relationship with it...
Many expeditions in the Arctic reveal new species, such as this jellyfi sh Bathykorus bouilloni , which, strangely, has only four tentacles! Dr. Kevin Raskoff from California State University,...
In a decade long project, which ended in October 2010, scientists with the Census of Marine Life traveled the world cataloging the ocean’s life forms. From Australia to China to the Gulf of Mexico...
Census researchers manipulate the robotic arm of the remotely operated vehicle (ROV) Quest to study shrimp and other deep sea life forms. They discovered the creatures at a hydrothermal vent 3...
This beautiful open ocean microbe is a type of large amoeba called an acantharian. Microbes account for over 90 percent of the biomass in the ocean -- they are teeming with microscopic bacteria,...
This rarely-seen smalleyed rabbitfish ( Hydrolagus affinis ), belonging to the order of Chimaera, was caught during a research trip to the Mid-Atlantic Ridge in 2004 sponsored by the Census of Marine...
Now that the Census of Marine Life is over, we’re checking in with some of its researchers to hear about their favorite expeditions, what they learned, and how the Census and its findings continue to...
Omoo, a Great White Shark ( Carcharodon carcharias ), carries a satellite tag that sends information daily about her movements across the Pacific. Follow her migration real-time . More about the...
Male northern elephant seals face off on the beach by vocalizing through their extended noses, called proboscises. Every winter, when the seals return to the beach where they were born to breed,...
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