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A screenshot from the video of colorful corals.

video

Slow Life: Time-Lapse on the Coral Reef

How does a coral spend its day? Most of us would say: not doing much. To the human...

Thu, 02/15/2018 - 10:59

Colorful scaleworm on a seastar

Pops of Polychaete Color

Beautiful worms? These stunning images from Alexander Semenov prove that this isn't...

June 2015

Screenshot from Census of Marine Life video of the bottom of a red-colored octopus in dark water.

video

Creature Feature from the Census of Marine Life

In a decade long project, which ended in October 2010, scientists with...

Mon, 08/02/2010 - 13:36

A piece of the Hyperbolic Crochet Coral Reef exhibit.

Article

When Art Meets Science: The Hyberbolic Crochet Coral Reef

The “Hyperbolic Crochet Coral Reef,” a unique exhibition and thought-provoking...

October 2010

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

slideshow

Image Gallery: The Perfect Underwater Photo

For nearly 35 years, National Geographic photojournalist Brian Skerry has been...

Mon, 12/19/2011 - 16:13

Illustration of colorful nudibranchs from Ernst Haeckel.

Article

Art Forms in Nature: Marine Species From Ernst Haeckel

Today’s discoveries about our planet’s biological diversity build upon the...

June 2015

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 sea monster attacks a ship in an illustration for 20,000 Leagues Under the Sea by Jules Verne.

Photo

Sea Monster Attack

A sea monster attacks a ship in an illustration for 20,000 Leagues Under the Sea by...

“Upon returning from the reef after a night dive, I swam toward a bright reflection and came eye-to-eye with this beautiful, curious squid.” -- Nature's Best photographer Charles Viggers.Equipment Used to Capture the Shot: Nikon D700; 105mm ƒ/2.8 lens

Photo

Squid at Sunset Reef Grand Cayman, Cayman Islands

“Upon returning from the reef after a night dive, I swam toward a bright...

A veined octopus sits inside a vacant bivalve shell, which it uses as a portable shelter, in the Philippines. This is one of the few examples—if not the only example—of tool use in invertebrates.

Photo

Veined Octopus at Anilao Batangas Pier, Philippines

The veined octopus (Amphioctopus marginatus), also known as the coconut octopus,...

“The largest land migration of any animal on Earth, as many as 120 million crabs carpet the island in red as they move from the rain forest to the coast.” -- Nature's Best photographer, Stephen Belcher.Equipment Used to Capture the Shot: Canon EOS-1D

Photo

Red Crab Migration, Christmas Island, Indian Ocean

“The largest land migration of any animal on Earth, as many as 120 million crabs...

“This image was captured during an evening dive in water where the largest migration on Earth occurs nightly. This miniscule squid was less than an inch long, transparent, and highly reflective, which made proper exposure extremely difficult. Over hundre

Photo

Larval Squid, Coast of Kailua Kona, Hawaii, USA

“This image was captured during an evening dive in water where the largest...