Camouflage

Killer Whale: Orca

Killer whales ( Orcinus orca ) are master hunters, using speed, camouflage, and a variety of techniques to capture their prey. See how a different predator - the great white shark - finds its...
This shrimp is colored to fit in - probably why they are common members of the seaweed community.

A World Adrift: Life in the Sargassum Slideshow

Smithsonian Marine Science Network Postdoctoral Fellow, Seabird McKeon, returns from the Smithsonian field site in Belize. Together with Dan Barshis of Stanford University, Seabird reports on the seemingly invisible inhabitants of drifting sargassum seaweeds...
A photo of a squid using bioluminescence to hide in the deep sea.

Bioluminescence

You may have seen the sparkle of fireflies on a summer’s night. The fireflies produce light through a chemical reaction in their glowing abdomens, a process known as bioluminescence. But did you know that...

Masters of Disguise

Octopuses are colorblind, but manage to blend into the background seamlessly—or stand out in bright color to startle their enemies. So how do they do it? That's the question Roger Hanlon of the Marine...
A blue-ringed octopus

How Octopuses and Squids Change Color

Video of Where's The Octopus? by Fox Meyer Squids, octopuses, and cuttlefishes are among the few animals in the world that can change the color of their skin in the blink of an eye...