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 ...

Cuttlefish appear to wave at each other in what researchers think could be a form of communication. (Image credit: Sophie Cohen-Bodenes and Peter Neri) The researchers identified four "arm wave signs" ...

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 ...

Crafty cuttlefish employ several different camouflaging displays while hunting their prey, according to a new paper published in the journal Ecology, including mimicking benign ocean objects like a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The murky ink from cuttlefish (Sepia officinalis) could help deter ...

A plume of ink can help hide a cuttlefish as it scuttles away from a predator. But that smoke screen’s stench may also warn sharks to stay away. Nicknamed “swimming noses,” some sharks can sniff their ...

A broadclub cuttlefish, the second largest cuttlefish species, blends into the ocean floor. Nick Hobgood via Wikimedia Commons under CC BY-SA 3.0 Cuttlefish are known deceivers. The sea creatures can ...

Zoe Doubleday receives funding from the Australian Research Council and is affiliated with the University of South Australia. She is also a Director of the Southern Ocean Discovery Centre and Board ...