Sure they're weird, but that makes them all the more wonderful.

There are more than 120 species of cuttlefish. They are found in the order Sepiida and are grouped into six families divided between two suborders. Depending on the species, cuttlefish range in length ...

Every winter, giant cuttlefish gather by the thousands for a battle royale to win a mate. Every winter, off the coast of South Australia, thousands of giant cuttlefish gather for the showdown of a ...

A new study has suggested a species of marine animal may communicate with each other by waving. Researchers from École Normale Supérieure in France have found evidence of cuttlefish possibly ...

Cuttlefish use visual tricks to avoid being eaten. New research shows how they deploy similar camouflage to bamboozle their prey. By Richard Kemeny In May 2023, Matteo Santon was filming cuttlefish in ...

Camouflage isn't the only way cephalopods have evolved to change their appearance. Octopuses and other cephalopods make the fastest transformations in the animal kingdom. Here, a giant Pacific octopus ...

Cuttlefish, part of the cephalopods class, which octopuses are also a member of, are like shape-changing "sea chameleons" due to their ability to change color, shape, and texture at a moment's notice.