Subscribe Now! National Geographic Magazine $15
Visit our Online Shops

Sign up for free

Newsletters

Once a month
get new photos
and expert tips.

Common Octopus

Photo: Close-up of a common octopus
The common octopus can change its appearance to hide from predators—and prey.
Photograph by David Doubilet

Multimedia

Octopus and Squid Features

Photo: Octopus

Photo of the Day: Long Legs

See a diver studying an octopus deep in New Zealand's Kaikoura Canyon.

Photo: Octopus tentacle

Virtual World: Deep Sea

Meet the menacing sharks, giant octopuses, and bizarre eels of the deep sea in this Crittercam feature.

Photo: Giant Pacific octopus

Photo of the Day: Playing Tag

Watch a researcher attempting to tag a giant Pacific octopus in Washington's Puget Sound.

You need the Flash Player version 8.0.0.0 or higher and a JavaScript enabled browser to view this site

Special Advertising Sections

Photo: Horses and old barn

Enter Sweepstakes

Take a photographic journey through Montana and enter for a chance to win a trip for two!

Photo: Man with kayak

Adventure Videos

Check out adventure videos from our West Coast Adventure Editor Steve Casimiro and go "Behind the Lens."

Invertebrates Right Rail

Get the Latest Headlines

Photo: Blue poison dart frogs

Make us your online news source.

Get Animal Pictures

Photo: Giant octopus

Get your daily dose of photos.

Bring Your Phone to Life

Image: Mobile phone and giraffe

Put the sights and sounds of National Geographic on your mobile phone.

For Kids!

Photo: A cartoon dog

It's no stretch to find fun facts on our Kids site!

Shop National Geographic DVDs

Photo: Human Footprint DVD cover

Whatever your interest, you'll be entertained and educated with our collection of best-selling DVDs.