There are more than 120 species of cuttlefish. They are found in the order Sepiida and are grouped into six families divided between two suborders. Depending on the species, cuttlefish range in ...

More than 300 known species of squid display incredible variety in their appearance. The recently documented Ryukyuan pygmy squid (Idiosepius kijimuna) and Hannan’s pygmy squid (Kodama jujutsu ...

Certain species show a remarkable ability to delay gratification, notably great apes, corvids, and parrots, while other species do not (such as rodents, chickens, and pigeons.) Add the cuttlefish ...

A cuttlefish’s W-shaped pupil. | Arnaud Abadie/E+/Getty Images. Squid eyes are highly adapted to see light in the gloomy depths of the ocean, and their vision has almost the same resolution as ...

Flamboyant cuttlefish, which are native to muddy, sandy areas in Indo-Pacific waters, is one of two species currently known to amble along the seafloor. (The other is its cousin from the Pacific, the ...

A new study has suggested a species of marine animal may communicate with each other by waving. Researchers from École Normale Supérieure in France have found evidence of cuttlefish possibly ...

The murky ink from cuttlefish (Sepia officinalis) could help deter sharks from hunting near where people are swimming. After a team at University College Dublin created models of the olfactory ...

Cuttlefish brain atlas first of its kind The dwarf cuttlefish, with skin that changes color based on what it sees and feels, could help neuroscientists ask and answer new questions ...