See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The animal kingdom is home to all manner of weird and wonderful defense ...

Octopus, squid, and cuttlefish can change their skin’s colors, patterns, and textures in ways not seen anywhere else in the animal kingdom. You see what looks to be a clump of seaweed, and then it ...

One of the highlights of this week’s beachcombing survey was finding my first cuttlebone washed up along the shoreline.

Most people have encountered squid through their local seafood menu or field trip to an aquarium. Unlike octopuses, which are named for their eight arms, squid have 10 individual appendages. They most ...

Cuttlefish are extraordinary animals; they can transform in myriad ways. They can change color and in doing so, communicate with one another. They can also alter the physical structure of their bodies ...

Wouldn’t it be useful to suddenly erect 3-D spikes out of your skin, hold them for an hour, then even faster retract them and swim away? Octopus and cuttlefish can do this as a camouflage tactic, ...

The flashy Flamboyant Cuttlefish is among the most famous of the cephalopods (octopus, squid, and cuttlefish)—but it is widely misunderstood by its legions of fans. A new paper from the Roger Hanlon ...

The unique ability of cuttlefish, squid and octopuses to hide by imitating the colors and texture of their environment has fascinated natural scientists since the time of Aristotle. Uniquely among all ...