A defining characteristic of the cuttlefish, the cuttlebone is a porous internal shell that helps control buoyancy, making it functionally similar to swim bladders in fish. Cuttlebones have both ...

Squids are also boneless creatures with soft, flexible bodies. They are supported by a structure called a "pen," which helps maintain their shape and buoyancy. Earthworms have no bones, making them ...

Cuttlebone is made of aragonite, a porous form of calcium carbonate, and helps the animal maintain buoyancy and protects its ...

Pull out the cuttlebone (or squid quill), then rinse the cuttlefish or squid thoroughly, pulling off any membranes. Cut into fairly thick slices and dry as thoroughly as possible. Heat the olive ...

Recently, researchers have looked at cuttlefish predatory movements and found they are using a unique method to hide their movements and to mesmerize their prey. Broadclub cuttlefish (Sepia ...

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

One of the most mystifying creatures of the deep, the cuttlefish has abilities and even senses that are alien to us humans. This versatile animal can change its appearance at will, mimicking ...