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Scientists use a multinet to collect zooplankton.

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Launching a Multinet

January 2011

A marine mammal scientist listens for bowhead whales using an underwater hydrophone.

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Listening for Bowhead Whales

January 2011

An archaeologist arranges a deep-sea core.

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Sediment Cores

March 2010

A brilliant red octopus photographed at more than 8,800 feet (about 2,700 meters) in the Gulf of Mexico.

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Deep Water Octopus in the Gulf of Mexico

January 2018

After leaving Australia, Dampier and his men reached the western coast of New Guinea on New Year’s Day 1700. There Dampier observed birds that he had never seen before, like the “stately land-fowl” shown here.

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New Guinea Birds

July 2010

This queen parrotfish scrapes algae from Caribbean reefs with its parrot-like beak.

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Queen Parrotfish

July 2015

This photograph was snapped as Phoenix swam in the Gulf of Maine in July 2008.

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Phoenix near Maine

January 2010

Spotfin lionfish in Caribbean waters

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Spotfin Lionfish

November 2016

A close-up image of deep-sea fish Argyropelecus aculeatus

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Argyropelecus aculeatus

April 2016

Sea lions generate thrust, or forward propulsion, by bringing their fore-flippers together in big sweeping motions called “claps.” When a sea lion “claps,” it stretches its flippers out to the sides and sweeps them down. Then it tucks its flippe

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Aquatic Locomotion of a Sea Lion

October 2017

Students share a microscope to get a closer look at plankton samples from the Deepwater Horizon Oil Spill.

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Students Study Plankton

May 2010

Chrysaora melanaster is a jellyfish found in the Arctic.

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Arctic Sea Jelly

August 2017