When potential food sources such as fish or shrimp swim near, the cuttlefish can alter the color of its skin while waving its arms in a mesmerizing display. This lures potential prey to within ...

Cuttlefish may be less well known but are equally ... More than 300 known species of squid display incredible variety in ...

Cuttlefish were given a new version of the marshmallow test, and the results may demonstrate that there's more going on in their strange little brains than we knew. Their ability to learn and ...