Their cephalopod ancestors were encased in a shell ... The cuttlebone is a long, oval bone filled either with gas or liquid, depending on the time of day and cuttlefish’s desired buoyancy.

Cephalopods, as we know, are masters of trickery ... So we’re used to thinking of muscles as creating movement in our arms, in our legs, contracting a bone. But in this particular case, they’re using ...

The creature’s discovery pushes back the time frame when vampyropods, the group to which cephalopods like octopuses ... quickly than hard structures like bone. A well-preserved fossil was ...

And so what I believe happened is that there was a large cephalopod of some sort, possibly belonging to the vampire squid lineage, that would grab onto these ichthyosaurs as they were diving into ...

The bone arrangements could be the earliest evidence of cephalopod intelligence, McMenamin said. [Release the Kraken! Giant Squid Photos] Still, the idea engendered a lot of backlash. Glenn Storrs ...

This isn’t a scene from science fiction but a glimpse into Earth’s distant past, when Cameroceras, a monstrous cephalopod, ruled the oceans. Long before dinosaurs even dreamed of walking the ...

WOODS HOLE — Their donut-shaped brains are the largest of any invertebrate on the planet. Their eight highly flexible arms each have hundreds of suckers and millions of neurons that can sense ...

Squids and octopuses eat and are eaten, and in between that they move around a lot. "Cephalopods play an important role in marine ecosystems, contributing to the distribution of energy and ...

Camouflage isn't the only way cephalopods have evolved to change their appearance. Octopuses and other cephalopods make the fastest transformations in the animal kingdom. Here, a giant Pacific ...

Finding food and staying safe as a soft, flexible cephalopod requires a different set of visual sensitivities and skills than the ones we humans use when we’re walking through a fluorescently ...

A team at the Marine Biological Laboratory (MBL) has successfully engineered an albino strain of the hummingbird bobtail squid, Euprymna berryi. This advance, reported in Current Biology, has ...