Cuttlefish are strange animals with some strange means of communication. Now, these cephalopods have been recorded using their arms in a way that looks like they are gesturing to each other – adding 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 ...

Cuttlefish have long fascinated us with their spectacular ability to camouflage, but now they reveal a previously unknown form of communication: arm movements that resemble waving—or even dancing.

Cuttlefish wave their expressive tentacles in four distinctive dancelike motions, a new study finds—possibly to communicate visually and by vibration. These marine invertebrates, which have eight ...

Researchers just spotted cunning cuttlefish waving to one another with their tentacles, a previously unobserved behavior that pushes the boundaries of the creature’s intelligence. Cuttlefish—sometimes ...