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A variety of jellyfish
Artículo

It’s All in the (Jellyfish) Family

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An arrow-worm from the genus Spadella. Alvariño discovered and classified the species Spadella gaetanoi in 1978.
Artículo

Ángeles Alvariño: Woman of Many Namesakes

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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
Artículo

How Do Sea Lions Swim?

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Two nurse sharks hover over a baited cage
Lesson Plan

Be a Scientist

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Two nurse sharks hover over a baited cage
Lesson Plan

Calling All Explorers

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A hermit crab looks out from its coral dwelling in the waters of Japan's Ogasawara Islands.
Artículo

The Perfect Underwater Photo

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A tiny yellow goby living inside an abandoned can on the seafloor; Suruga Bay, Japan
Slideshow

Image Gallery: The Perfect Underwater Photo

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Caribbean reef sharks swim over a coral reef in the Bahamas.
Artículo

Swimming With Sharks

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Ocean Portal summer 2011 intern Brandon Adkins poses next to the aquarium in the Smithsonian's Sant Ocean Hall.
Artículo

An Intern Explores Ocean Careers

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Ocean Portal summer 2011 intern Brandon Adkins poses next to the aquarium in the Smithsonian's Sant Ocean Hall.
Photo

Exploring Ocean Jobs

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Photo of Sylvia Earle
Photo

Dr. Sylvia Earle

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Two scientists peer out into the ocean from inside the Curasub, a 5-person submersible
Artículo

Diving for Crabs in the Deep Sea

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