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The Peninsula Valdes in Argentina was inscribed on the World Heritage List in 1999. The site is home to important breeding populations of the endangered southern right whale (Eubalaena australis), southern elephant seal (Mirounga leonina), and southern sea

slideshow

Marine World Heritage Photo Gallery

Marine World Heritage is a prestigious list of 43 marine ecosystems and...

Tue, 11/09/2010 - 11:54

Colorful fishes throng a reef in the Northwestern Hawaiian Islands.

slideshow

Bizarre and Beautiful Coral Reef Animals

From parrotfish that cover themselves in a blanket of their own mucus to tiny pygmy...

Fri, 12/04/2009 - 14:05

slideshow

The Hyper Eyes of Hyperiids: How Some Shrimp-Like Creatures See Light in the Deep Sea

Hyperiid amphipods are small crustaceans related to sand fleas and distantly...

Tue, 08/19/2014 - 10:47

Midway Atoll, where these photos were taken, is more than 2,000 miles from the nearest land.

slideshow

Laysan Albatrosses’ Plastic Problem

Laysan albatrosses (Phoebastria immutabilis) are incredible birds. They have a...

Fri, 05/10/2013 - 14:47

Horizontal bands of color represent different species of lichen that have adapted to the conditions at different heights above sea level.

Article

Seaside Lichens

Very few plant species can survive close to the ocean, where pounding surf fills...

August 2015

Neptune grass (Posidonia oceanica) is a slow-growing and long-lived seagrass native to the Mediterranean.

Article

Bugs and Slugs: The Hidden Secret to Healthy Seagrasses

Slip into the water along a sheltered coast in nearly any part of the world and...

May 2015

Positioned in front of a natural oil seep, this video camera is capturing images of the black oil bubbling up from beneath the sea floor. A light mounted to the frame helps see what is happening in the dark on the sea floor.

Personal Perspectives

How Oil Feeds the Deep Sea

There can be catastrophic results when a large amount of oil is spilled into the...

November 2014

Small foram shells in seafloor sediment.

Personal Perspectives

Little Critters that tell a BIG Story: Benthic Foraminifera and the Gulf Oil Spill

You are not alone if you don’t know what forams (short for foraminifera) are, so...

June 2014

Tiny bits and pieces of plastic can be found throughout the ocean, like these collected from the open ocean by net.

Article

The “Plastisphere:" A new marine ecosystem

Any floating object in the ocean tends to attract life; fishermen know this and...

July 2013

Relatively slow moving, juvenile plane-head filefish Monacanthus hispidus (Monacanthidae) travel along with the algae. They pick off and eat small animals as they move around in the rotating sargassum ball. Adult filefish only grow to be about 11

Personal Perspectives

A World Adrift: Life in the Sargassum

The open ocean is surprisingly barren to the naked eye. Every now and again you...

May 2012

Mark Dodd, a wildlife biologist from Georgia's Department of Natural Resources, surveying oiled sargassum seaweed in the Gulf of Mexico after the Deepwater Horizon oil spill in 2010.

Article

The Oil Spill, Two Years Later

Two years ago last week, on April 20, 2010, an explosion on the oil-drilling rig...

April 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

Smithsonian Ocean

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Marine World Heritage Photo Gallery

Bizarre and Beautiful Coral Reef Animals

The Hyper Eyes of Hyperiids: How Some Shrimp-Like Creatures See Light in the Deep Sea

Laysan Albatrosses’ Plastic Problem

Seaside Lichens

Bugs and Slugs: The Hidden Secret to Healthy Seagrasses

How Oil Feeds the Deep Sea

Little Critters that tell a BIG Story: Benthic Foraminifera and the Gulf Oil Spill

The “Plastisphere:" A new marine ecosystem

A World Adrift: Life in the Sargassum

The Oil Spill, Two Years Later

Menopausal Moms: A Mammal Mystery

Smithsonian Ocean

Filter

Content type

Article Type

Topics

Tags

Marine World Heritage Photo Gallery

Bizarre and Beautiful Coral Reef Animals

The Hyper Eyes of Hyperiids: How Some Shrimp-Like Creatures See Light in the Deep Sea

Laysan Albatrosses’ Plastic Problem

Seaside Lichens

Bugs and Slugs: The Hidden Secret to Healthy Seagrasses

How Oil Feeds the Deep Sea

Little Critters that tell a BIG Story: Benthic Foraminifera and the Gulf Oil Spill

The “Plastisphere:" A new marine ecosystem

A World Adrift: Life in the Sargassum

The Oil Spill, Two Years Later

Menopausal Moms: A Mammal Mystery

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