See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A new study has suggested a species of marine animal may communicate ...

Add Yahoo as a preferred source to see more of our stories on Google. Squid (order Teuthida) have a feather-like “pen” inside their bodies, whereas cuttlefish (order Sepiida) have a wider, hard ...

(CN) — The cuttlefish, known for its mesmerizing camouflage, has impressed scientists by revealing that it has yet another unique trick up its sleeve. Dubbed the “passing-stripe” display by ...

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 ...

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 ...

Most people have encountered squid through their local seafood menu or field trip to an aquarium. Unlike octopuses, which are named for their eight arms, squid have 10 individual appendages. They most ...