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Octocorals dominated the seafloor on Chris Mah's Okeanos mission to Johnston Atoll in the remote Pacific Ocean.
Personal Perspectives

Deep-sea octocorals: An ecosystem of their own

The deep-sea is a vast part of the world’s ocean. Even today, it often surprises...
October 2017
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
A diver collects water samples.
Personal Perspectives

Ocean Sampling Day – Taking the Pulse of the World’s Oceans

If you are a bird watcher you have probably heard of the Christmas Bird Count. The...
June 2014
The Curasub departs for a deep sea dive, up to 1,000 feet off the island of Curaçao, where this sub is located.
Personal Perspectives

A Voyage of Discovery to Inner Space

The Mars rover Curiosity is sending images back home: glimpses of another world...
August 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 researcher holds an arm bone from a "toothed" mysticete whale from Vancouver Island.
Personal Perspectives

Dispatches from the Field: Treacherous stream crossings and a new fossil find

We departed from Port Renfrew on Tuesday morning on the Michelle Diana, a boat...
May 2012
Nick Pyenson points to a skull and skeleton of a fossil whale.
Personal Perspectives

Excavating a "toothed" baleen whale from Vancouver Island

The whales that we see in today's world can broadly be split into two groups: those...
May 2012
Two scientists peer out into the ocean from inside the Curasub, a 5-person submersible
Personal Perspectives

Diving for Crabs in the Deep Sea

Last week, Smithsonian research zoologists Dr. Jerry Harasewych and Dr. Martha...
July 2011
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
North Carolina Delegation students and teachers posing for a photo in front of the ocean at Bald Head Island in North Carolina
Personal Perspectives

Teens Making a Difference in Your Community

Over the past year I have been working for an organization called Coastal America...
April 2011

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