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 ...

NEW YORK, NY — Anything with three hearts, blue blood and skin that can change colors like a display in Times Square is likely to turn heads. Meet Sepia bandensis, known more descriptively as the ...

Cuttlefish cause their tentacles to undulate in ways that appear to carry specific meanings, at least to other cuttlefish, a new study reveals. Moreover, these messages can be conveyed not only by ...

Cuttlefish, along with other cephalopods like octopus and squid, are masters of disguise, changing their skin color and texture to blend in with their underwater surroundings. Now, in a study ...

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 ...