Squids & Octopuses

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Cephalopods

Credit: © Larry G. Kramer, Flickr A highly intelligent group of ocean dwelling creatures, the living cephalopods include the eight-armed octopuses, the ten-armed squids and cuttlefishes (which are basically just another kind of squid),...

The Bobtail Squid

A bobtail squid expertly blends in with the light shining from the sea surface, but to do so, it needs a little help. This is where microbes come into play. A bacterium called Vibrio...

Octopi? The Plural of an Octopus

What is a group of eight-legged cephalopods called? Merriam-Webster ends our confusion and explains the correct plural of octopus.
A screenshot of some of Smithsonian's marine story windows in Google Earth

What Lives in the Gulf of Mexico? Exploring Marine Collections on Google Earth

When he was 10 years old, Stephen Cairns lived in Cuba where he kept a collection of butterflies and sea shells. When his family moved to Louisiana, he could bring only one of the...
Common cuttlefish

So You Think You're Smarter Than a Cephalopod?

Like other cephalopods, the common cuttlefish ( Sepia officials Linnaeus, 1758) possesses serious brain power. Credit: Hans Hillewaert, WoRMS for SMEBD The blanket octopus can rip a poisonous tentacle from a Portuguese man-o-war and...

The Dumbo Octopus: An Underwater Dance

This short video takes you two hundred miles off the coast of Oregon and some 6,600 feet below the water's surface to observe the Dumbo octopus ( Grimpoteuthis bathynectes ). Little is known about...