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The robotic arm of the ROV Quest finds life at an undersea vent.
Photo

Studying Hydrothermal Vent Life

Census researchers manipulate the robotic arm of the remotely operated vehicle...
Two nurse sharks hover over a baited cage
Lesson Plan

Build Your Own Ecosystem

Students identify key functions that are present in healthy ocean ecosystems....
Mon, 11/30/2009 - 18:49
/themes/custom/a_clean_ocean
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
Giant Pacific Manta Ray, Roca Partida Sea Mount, Revillagigedos Islands, Mexico
Article

Tagging and Tracking Animals Underwater

How do we know where ocean animals swim day and night? Scientists are getting...
May 2012
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
A beaked whale at the ocean's surface
Article

Seeing with Sound: Acoustic monitoring of beaked whales

When compared to dolphins and large baleen whales, beaked whales lose a bit of the...
November 2017
A school of bluefin tuna
Article

The Great Pacific Migration of Bluefin Tuna

Shortly after their first birthday, Pacific bluefin tuna (Thunnus orientalis)...
September 2017
On coral reefs fish are important links in the food chain that sustains higher-order predators (including humans) and keeps everything in balance.

Fish Get Risky Around Oil

Whether you are fish or human, taking risks is a part of life. But what happens...
September 2017
A school of mahi mahi.

From Larvae to Adults – Finding Impacts of an Oil Spill on Mahi-Mahi

For a month during the summer of 2016, Lela Schlenker spent several hours in the...
April 2017
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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