Cuttlefish may "wave" at each other with their tentacles to communicate, new research suggests.. But the study, which has not yet been peer-reviewed, didn't determine what messages the arm waving ...

Pupil shapes vary widely across the animal kingdom, from the W-shaped pupils of cuttlefish to the bar-like pupils of goats.

Cuttlefish aren't wearing 3D glasses to enjoy state-of-the-art movie theater technology, but rather to help scientists better understand how they see the world. It turns out that when it comes to ...

A new study published this month outlined how cuttlefish can pass the "marshmallow test," a version of which was popularized in the viral TikTok patience snack challenge When it comes to food, ...

Cuttlefish, with their blimp-shaped bodies and eight squiggly arms, don’t age like people do. Sexual maturity tends to come late for them—about three-quarters of the way through their two-year lives, ...

It was part of an experiment by Alex Schnell from the University of Cambridge and colleagues. "What surprised me the most was that the level of self-control shown by our cuttlefish was quite advanced, ...

Duke biologist Sarah Zylinski wants to better understand how cuttlefish see the world. Like their relatives octopus and squid, cuttlefish are master camouflagers—and Zylinski says you can learn ...