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A transparent amphipod looks a bit like a lobster, surrounded by white eggs.
Photo

Amphipod: Salp Invader

Can you spot the amphipod (Phronima atlantica) in the below photo? She's the...
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
A coral has just spawned. Each of the hundreds of polyps releases a small pink bundle of sperm and eggs.
Personal Perspectives

A Tale of Sex and Stress in the Ocean

Welcome to Citizens of the Sea, a new blog series where ocean life comes to life....
October 2010
This copepod (Gaussia princeps) was collected deeper than 1000 meters in the Sargasso Sea by Census of Marine Zooplankton (CMarZ) researchers in April 2006.
Personal Perspectives

Five Questions with Russ Hopcroft, Zooplankton Whiz

Now that the Census of Marine Life is over, we’re checking in with some of its...
May 2014
This copepod (Gaussia princeps) was collected deeper than 1000 meters in the Sargasso Sea by Census of Marine Zooplankton (CMarZ) researchers in April 2006.
Photo

Deep Sea Copepod

This copepod (Gaussia princeps) was collected deeper than 1000 meters in the...
Census researchers discovered this sea cucumber (Enypniastes sp.) in the Gulf of Mexico.
slideshow

Zooplankton Biodiversity

Holozooplankton are animals that live adrift in the ocean waves for their entire...
Wed, 08/29/2012 - 12:19
A transparent ctenophore in dark water.
Photo

A Ctenophore Feeds

The comb jelly (ctenophore) Thalassocalyce inconstans is found in shallow to deep...
Cover of the Book Citizens of the Sea

Citizens of the Sea

The incredible variety of marine life—in numbers, body form, behavior, and...
July 2010

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