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Microscopic beach dweller in the sand.
video

Organisms Beneath the Sand

What’s lurking beneath your beach blanket? Even when a beach looks empty, the...
Wed, 06/07/2017 - 15:48
A screenshot from the video showing a bioluminescent seastar.
video

The Weird, Wonderful World of Bioluminescence

“It’s a little appreciated fact that most of the animals in our ocean make...
Wed, 04/18/2018 - 09:37
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
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
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
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
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
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
A coral has just spawned. Each of the hundreds of polyps releases a small pink bundle of sperm and eggs.
Personal Perspectives

A Tale of Sex and Stress in the Ocean

Welcome to Citizens of the Sea, a new blog series where ocean life comes to life....
October 2010
A beaked whale at the ocean's surface
Article

Seeing with Sound: Acoustic monitoring of beaked whales

When compared to dolphins and large baleen whales, beaked whales lose a bit of the...
November 2017
A female (top left) and male Photerus annecohenae. Note that females are larger than males (sexual dimorphism) and that males have bigger eyes.

You Light Up My World!

While people may give chocolates to the ones they love on Valentine’s Day,...
February 2017
A blue-ringed octopus

How Octopuses and Squids Change Color

Squids, octopuses, and cuttlefishes are among the few animals in the world that can...
October 2013

Pagination

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