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 ...

Once a year, at the beginning of the Southern winter, a bay on the South coast of Australia becomes home to the only known mass spawning aggregation of cuttlefish in the world. Over a hundred ...

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 ...