They’re cuttlebones from cuttlefish. Lightweight, firm, yet brittle, they are the internal shell that runs the length of the body. Each is the remnant of a single cuttlefish, which typically ...

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 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 ...

While sneaking up on prey, cuttlefish employ a dynamic skin display to avoid detection in last moments of approach, researchers have found. While sneaking up on prey, cuttlefish employ a dynamic ...