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A bloom of algae from up above
Article

What Exactly Is a Red Tide?

Drifting throughout the ocean, invisible to the naked eye, are innumerable...
August 2018
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
Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.
slideshow

Zooxanthellae and Coral Bleaching

Tiny plant-like organisms called zooxanthellae live in the tissues of many animals,...
Thu, 12/03/2009 - 12:14
Small red hyperiid.
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
Sea otters floating on the surface of the ocean.
Article

Not Just Another Fuzzy Face

Who hasn’t grinned at the sight of a sea otter floating on its back while...
May 2017
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
School of blue rockfish in a kelp bed.
Article

Stinkin' Seaweed Makes Tasty Food for Coastal Animals

Most people try to avoid rotting kelp at the beach. The feeling of a floating piece...
October 2014
Pink crustose algae covers the surface of a rock.
Personal Perspectives

Microbes Help Corals Pick a Home and Settle Down

Bacteria are everywhere in the ocean. They live in the water, on virtually every...
July 2014
Fossil Whale Digsite at Cerro Ballena, Chile
Article

The Whale Graveyard Whodunit

One of the ocean's tiniest organisms often does the most harm. Microscopic algae...
March 2014
Many species of pink coralline algae, which cements coral reefs together, cover a reef surface in the Southern Line Islands.
Personal Perspectives

Coralline Algae: The Unsung Architects of Coral Reefs

Stare at a tide pool and you will often see a crust of pink coating the bottom. No,...
January 2014
This male dancing fiddler crab (Uca terpsichores) has built a sand “hood” at the entrance to his burrow, which he hopes will attract females to his humble abode—as if that big beautiful claw of his weren't enough!
Personal Perspectives

The Design of a Beautiful Weapon

This summer, many of you have likely enjoyed feasting on crabs, be they blue,...
September 2013

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