The business end of a cuttlefish is no place a small crustacean wants to be. Cuttlefish are hunters who creep around in camouflage—virtually indistinguishable from a gray patch of gravel or a ...

A cute observation in the cephalopods' behavior indicates they also react to sound waves, a notion that will soon be tested with a machine learning approach. Reading time 3 minutes Researchers just ...

Some cuttlefish absolutely refuse to wear 3-D glasses. These relatives of squid and octopuses have blimplike bodies that end in a ring of eight arms topped by two prominent eyes. It’s not hard to ...

The oldest fossilized pigment ever found has been discovered inside the preserved ink sacs of an ancient cuttlefish ancestor. The ink sacs belonged to a cephalopod, the group that includes squid, ...