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Two new species of sea stars were discovered in the deep sea: Paulasterias tyleri (on the left) in a North Pacific hydrothermal vent community, and Paulasterias mcclaini (on the right) in the deep sea off the coast of Antarctica.
Personal Perspectives

The Discovery of Two Extreme Sea Stars

Recently, Smithsonian National Museum of Natural History researcher Chris Mah and...
May 2015
Positioned in front of a natural oil seep, this video camera is capturing images of the black oil bubbling up from beneath the sea floor. A light mounted to the frame helps see what is happening in the dark on the sea floor.
Personal Perspectives

How Oil Feeds the Deep Sea

There can be catastrophic results when a large amount of oil is spilled into the...
November 2014
An Atlantic wolffish hiding on Cashes Ledge off the New England coast.
Personal Perspectives

Exploring a Unique Biodiversity Hotspot In the Gulf of Maine

Cashes Ledge is a wild, special place in the heart of the Gulf of Maine. This...
November 2014
The coastline of American Samoa National Marine Sanctuary
Article

The Reefs of American Samoa: A Story of Hope

Sometimes called the rainforests of the sea, coral reefs are incredibly diverse and...
September 2014
This queen parrotfish scrapes algae from Caribbean reefs with its parrot-like beak.
Personal Perspectives

From Despair to Repair: Protecting Parrotfish Can Help Bring Back Caribbean Coral Reefs

Reef biologists over a certain age are haunted by memories of what glorious places...
July 2014
Convict surgeonfish are the roaming sheep of the reef but, instead of noshing on grass, they feed on algae.
Personal Perspectives

Helpful Herbivores

When snorkeling in the Kahekili Herbivore Fisheries Management Area (KHFMA) in West...
June 2013
Traditional fishing techniques now involve monofilament nets, with snorkelers diving down to ensure the bigger fish don't get away.
Personal Perspectives

Field Notes from the East African Coast

We began this journey three months ago, a team of scientists and filmmakers...
April 2013
Red Pigfish and Blue Mao-Mao school at the edge of a cavern in New Zealand's Poor Knights Islands. Read photographer Brian Skerry's story behind this photo.
Personal Perspectives

Behind the Photo: The Primal Ocean

A few years ago, I was in New Zealand photographing a story about the value of...
October 2012
A map of NOAA's 13 marine protected areas
Article

40 Years of National Marine Sanctuaries

In 1872, the United States did something remarkable. We set aside one of our...
October 2012
Dive through the zones of the ocean to the deep ocean bottom where many strange species live, and there are many yet to be discovered. Explore them in the Deep Ocean Exploration section.
Personal Perspectives

What We DON'T Know About the Deep Sea

Imagine: You’re in a small submersible, and you gently settle on the soft muddy...
July 2012
A photo of a sea toad specimen.
Personal Perspectives

A Sub and a Sea Toad

Have you ever seen a creature so unusual?  This fish (22 cm long) is called a...
July 2011
An adult and juvenile killer whale frolic in the water.
Personal Perspectives

Menopausal Moms: A Mammal Mystery

In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going mothers...
May 2011

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