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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
Photograph of the underside of a gelatinous octopus with a bright yellow bioluminescent ring around her mouth.
Personal Perspectives

Ocean Today Every Full Moon

Our friends at NOAA (the National Oceanic and Atmospheric Administration) Ocean...
October 2016
Rough periwinkles sit on a bed of barnacles.
Personal Perspectives

Spirals in Time: A Walk at the Seashore

When I set out to write a book about mollusks (called Spirals in Time), I wasn't...
July 2015
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
Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat.
Personal Perspectives

How Coastal Seagrass Feeds the Deep

It is a well-known fact that for animals living in the deep sea, food can be...
February 2013
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
Black coral, primnoid coral, and feather stars flourish deep on the pristine Davidson Seamount.
Personal Perspectives

Amy Baco-Taylor: Passionate about Deep-Sea Corals

Two events made me passionate about deep-sea corals. One was my first submarine...
July 2011
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