The cuttlebone is rich in calcium and is often sold in pet stores as a nutritional supplement for birds. Although color-blind, the cuttlefish has two of the most highly developed eyes in the ...

Cuttlefish may be less well known but are equally ... Their internal shell is called a sepion or cuttlebone, which those with ...

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 ...

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 ...

Back in 2021, a test of cephalopod smarts reinforced how important it is for us humans to not underestimate animal intelligence. Cuttlefish were given a new version of the marshmallow test, and ...