How can the soft bodies of coleoid cephalopods so aptly hide in their environment? Why must they? What cells and specialized organs make such crypsis possible for one of the older evolutionary ...

It's well-known that cuttlefish and several other cephalopods can rapidly shift the colors in their skin thanks to that ...

That makes it one of the oldest known animal sex chromosomes. The finding also is evidence that octopuses and other cephalopods, a class of sea animals that includes squid and nautiluses ...

Along the axial nerve cord, the neuronal cells are packed into segments ... by looking for similar architecture in another group of cephalopods: squids. These animals diverged from octopuses ...

After a team at University College Dublin created models of the olfactory systems of several species of sharks, they found that the bioluminescent cephalopod’s ink might overwhelm the sharks ...

Mating happens at arm’s length for the four species of these cephalopods ... It’s immune to the stinging cells of the highly dangerous (to humans at least) jellyfish, the Portuguese man ...

Some species have more than 500 million neurons, he adds—compared to around 70 million in lab mice—making cephalopods especially intriguing as models for neuroscience. Chung and his colleagues decided ...

Some fascinating animals, including cephalopods like octopuses and squids ... to changes in water pressure and movement. Specialized cells called mechanoreceptors along their bodies help them ...