Cuttlefish, along with octopuses and squid, are cephalopods—animals from an ancient branch of the tree of life that have been trolling the oceans for more than 500 million years. Cuttlefish were ...

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 ...

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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 ...

Researchers observed the common cuttlefish (Sepia officinalis) routinely wave its arms in four flashy gestures. Cuttlefish wave their expressive arms in four distinctive dancelike signals—potentially ...

Have you ever seen a cuttlefish walk? If you stop by the Monterey Bay Aquarium’s “Tentacles” exhibit, you might. The aquarium is one of a handful in the country to display flamboyant cuttlefish ...

It's a cutthroat world out there, and the male cuttlefish is not above using sneaky tactics to fool rivals and buy more time to woo potential mates. But what causes a seemingly mild-mannered trickster ...

When a predator is lurking nearby, holding perfectly still might be a life-saving strategy. But what if the predator can sense electrical signals generated by breathing? According to new findings ...

Cuttlefish have the ability to watch 3D movies and react to them much like they would if they saw the real thing out in the ocean. And when it comes to depth perception, they’re incredibly proficient.

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, ...

Can you remember what you had for dinner last weekend? That ability is a function of episodic memory, and how well we can recall the time and place of specific events typically declines with age.