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an oyster shell on a beach
Article

How to Survive an Oil Spill: Oyster Edition

Oysters are powerhouses of water filtration. In a single day, one oyster can filter...
December 2018
A reddish-orange nudibranch.
slideshow

A Collage of Nudibranch Colors

Nudibranchs are a kind of sea slug, and their 3000 species are found from the poles...
Wed, 01/22/2014 - 12:51
“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
slideshow

Stunning Squid Pictures

From the giant squid to microscopic squid babies, squids are beautiful and...
Thu, 06/20/2013 - 16:54
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
Very colorful array of jellyfish.
video

Jellyfish predate dinosaurs. How have they survived so long?

Gelatinous drifters that move in a mesmerizing way, jellyfish are beautiful...
Tue, 09/05/2017 - 09:34
Caribbean reef sharks are not the reef's top predator. A fearful reef shark fleeing from a great hammerhead in the Exumas, Bahamas.
video

Sharks are also afraid of shark attacks

Caribbean reef sharks are not the reef's top predator. A fearful reef shark...
Tue, 07/25/2017 - 09:46
A photo of a squid using bioluminescence to hide in the deep sea.
overview

Bioluminescence

You may have seen the sparkle of fireflies on a summer’s night. The fireflies...
April 2018
A nudibranch showing a closeup of their fleshy, tentacle-like growths, called cerata.
Article

How Sea Slugs Steal the Defenses of Their Prey

Not all slugs (snails without shells) are slimy brown pests found in your backyard...
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
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
Screenshot from the "Masters of Disguise" video showing a spotted octopus on the seafloor.
video

Masters of Disguise

Octopuses are colorblind, but manage to blend into the background seamlessly—or...
Tue, 10/01/2013 - 15:23
Many medicines were based on a chemical from the sea sponge Tectitethya crypta.

Five Questions for Shirley Pomponi, Medical Sponge Hunter

Most scuba divers scour coral reefs looking for colorful fish, natural beauty, and...
October 2012

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