Cuttlefish cause their tentacles to undulate in ways that appear to carry specific meanings, at least to other cuttlefish, a ...

Cuttlefish wave their expressive arms in four distinctive dancelike signals—potentially letting them communicate visually and ...

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.