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Thumbnail of a cartoonish octopus.
video

Why the Octopus Brain is so Extraordinary

An octopus is a lot brainier than you might imagine considering one of its closest...
Thu, 11/02/2017 - 09:54
A screenshot from the video showing a small anemone through a microscope.
video

Anemone Feeding Time

Anemones are known for serving as homes for Nemo and countless other small fish and...
Fri, 05/19/2017 - 13:05
a deep-sea submersible
video

Submersible Collects Deep-Sea Corals

Come along as scientist Dr. Brendan Roark narrates a submersible dive to collect...
Fri, 08/12/2011 - 14:07
This new species of lobster (Dinochelus ausubeli) is blind and has bizarre claws. It was discovered about 300 meters (984 feet) deep in the Philippine Sea by a Census of Marine Life expedition.
slideshow

Deep Ocean Diversity Slideshow

Deep sea animals have to live in a very cold, dark, and high-pressure environment...
Tue, 12/08/2009 - 15:08
A deep sea crab (Rochinia crassa) poses with sea fan (Callogorgia spp.) and coral (Lophelia pertusa) on large carbonate boulder.
slideshow

Oil Invades Coral Communities of the Deep

On the deep seafloor of the Gulf of Mexico, ecosystems made up of fish, corals, sea...
Tue, 01/06/2015 - 13:37
A polar bear and its cub in Arctic National Wildlife Refuge, Alaska.
slideshow

Celebrating Marine Moms

The ocean is home to many moms of all shapes and sizes: from charismatic polar...
Wed, 04/24/2013 - 17:29
The giant pacific octopus can grow up to 600 pounds!
Photo

Revealing the Largest Octopus

Weighing 600 pounds (around 272kg) and having a 30 foot (around 9 meters) arm span,...
Photograph of many tiny transparent larval squid surrounding the head of a dissecting pin.
Photo

Squid Babies

These newly hatched arrow squid larvae (Doryteuthis plei) are each tinier than the...
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
A sea monster attacks a ship in an illustration for 20,000 Leagues Under the Sea by Jules Verne.
Photo

Sea Monster Attack

A sea monster attacks a ship in an illustration for 20,000 Leagues Under the Sea by...
This shrimp is colored to fit in - probably why they are common members of the seaweed community.
slideshow

A World Adrift: Life in the Sargassum Slideshow

Smithsonian Marine Science Network Postdoctoral Fellow, Seabird McKeon, returns...
Fri, 05/18/2012 - 16:43
Like other cephalopods, the common cuttlefish (Sepia officials Linnaeus, 1758) possesses serious brain power.
Article

So You Think You're Smarter Than a Cephalopod?

The blanket octopus can rip a poisonous tentacle from a Portuguese man-o-war and...
May 2011

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