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Red hot magma and ash erupt from an underwater volcano.
Photo

An Underwater Volcanic Eruption

A volcanic eruption of superheated magma (some 2,200 degrees Fahrenheit) from the...
Superheated magma slowly leaks from a crack in the seafloor.
Photo

Superheated Magma Underwater

Superheated magma, about 2,200 degrees Fahrenheit, glows orange as it slowly leaks...
A squat lobster and blackbelly rosefish find shelter on a Lophelia pertusa coral reef off the southeastern United States.
overview

Deep-sea Corals

It may be the last place you’d expect to find corals—up to 6,000 m (20,000 ft)...
April 2018
two mangrove trees in the crashing waves
overview

Mangroves

Mangroves are survivors. With their roots submerged in water, mangrove trees thrive...
April 2018
Fish swim in Cabo Pulmo Marine Reserve off the Baja California peninsula.
overview

How Laws Around the World Help Improve Ocean Health

Solving environmental problems often starts with small groups of people working to...
April 2018
This recently discovered hairy crab species (Kiwa hirsuta) has no eyes.
overview

The Census of Marine Life

Did you know that over 17,000 species thrive in the deep sea where no light...
April 2018
Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat.
overview

Seagrass and Seagrass Beds

Seagrasses are found in shallow salty and brackish waters in many parts of the...
April 2018
Humpback Whale, Stellwagen Bank National Marine Sanctuary, Gloucester, MA, USA
Photo

Humpback Whale, Stellwagen Bank National Marine Sanctuary, USA

“This humpback uses its lower jaw to strain fish off the water’s surface as sea...
A bird sits atop an outcrop of rocks surrounded by turbulent water.
Photo

Offshore Rock Island

A still from The Changing Sea, part of the 19th Annual Environmental Film Festival...
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  • Ocean Life
    • Marine Mammals
    • Sharks & Rays
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    • Plankton
    • Plants & Algae
    • Microbes
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    • Coral Reefs
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    • Coasts & Shallow Water
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    • Census of Marine Life
  • Planet Ocean
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