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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
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
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
A humpback whale breaching in Antarctic waters.
Personal Perspectives

Humpback Whales in Antarctica: What Are the Whales Doing?

Humpback whales (Megaptera novaengliae) are the most abundant baleen whale in the...
February 2013
A tusk shell hermit crab peeks out of his shell.
Personal Perspectives

Uncovering Biodiversity Before It Disappears

Editor's Note: See more information and details about the organisms displayed in...
August 2012
The Autonomous Reef Monitoring Structure was developed to help scientists study coral reef diversity and have now been adopted broadly to study diversity around the world.
Personal Perspectives

Uncovering Biodiversity… with ARMS and a Submarine Claw

If there had been room to stand up, there would have been a standing ovation. As it...
August 2012
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
Plastic bottles and other marine debris cover a rocky beach in Curacao.
Personal Perspectives

Ocean Trash: Marine Debris From Shore to Sea

We drove down a long dirt road on the northern side of Curaçao looking for a...
July 2011
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

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