Possible evidence found of cuttlefish waving to each other as a form of communication

Cuttlefish Seem to 'Wave' at Each Other, but What They're Saying Is a Mystery

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.

Possible evidence found of cuttlefish waving to each other as a form of communication

Sophie Cohen-Bodénès and Peter Neri, neuroscientists at École Normale Supérieure, in France, report possible evidence of cuttlefish communicating by waving their 'arms' at one another. Their paper is posted on the bioRxiv preprint server.