Cephalopod tentacles and arms lack bones; instead, they are built from an intricate tapestry of coiling muscle fibers. A cuttlefish shoots a tentacle at its prey by contracting fibers along the ...

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 ...

Cuttlefish combine these colors with body postures that reinforce the signal, such as raising or lowering their arms, but marine biologists have wondered if they might have other ways to get the ...

Unlike the octopus's arms, which that animal often uses to move and carry objects, the cuttlefish's eight arms are specialized for grasping prey after the cuttlefish captures it with its two ...

Cuttlefish may "wave" at each other with their tentacles to communicate, new research suggests.. But the study, which has not yet been peer-reviewed, didn't determine what messages the arm waving ...

Neurons in cuttlefish arms show evidence of learning and memory, independent of their main brain.

As for the meaning of the arm waves, the jury remains out. The researchers wrote that the signs could be domination signs, as after a cuttlefish waved, other cuttlefish tended to withdraw.

Cuttlefish use visual tricks to avoid being eaten. New research shows how they deploy similar camouflage to bamboozle their prey.

Researchers from École Normale Supérieure in France have found evidence of cuttlefish possibly communicating with each other, by waving one of their ten limbs—eight arms and two tentacles—at ...

Study: Cuttlefish adapt camouflage displays when hunting prey They can take on the features of a mangrove leaf or branching coral, or run dark stripes down their bodies.

Octopus suckers can taste a variety of greasy, sticky molecules, while squid and cuttlefish suckers detect bitter compounds.

Cuttlefish may "wave" at each other with their tentacles to communicate, new research suggests.. But the study, which has not yet been peer-reviewed, didn't determine what messages the arm waving ...