Cephalopods such as octopus and squid evolutionarily diverged from mollusks like slugs and snails. These animals have elaborate compact nervous systems located within specialized arm appendages, which ...

INVZMAI copy purchased with funds from the S. Dillon Ripley Endowment. "Largely shell-less relatives of clams and snails, the marine mollusks in the class Cephalopoda--Greek for head-foot --are ...

With their quick-change camouflage and high level of intelligence, it’s not surprising that the public and scientific experts alike are fascinated by octopuses. Their abilities to recognize faces, ...