Squid, octopus, and cuttlefish -- even to scientists who study them -- are wonderfully weird creatures. Known as the soft-bodied or coleoid cephalopods, they have the largest nervous system of any ...

New research led by scientists at the American Museum of Natural History and Yale shows that the oldest ancestors of the group of animals that includes octopuses and vampire squids had not 8 but 10 ...

It may seem like a small difference, but the number of arms a cephalopod has completely changes the way it survives. From ...

In a study now published in iScience, researchers from the University of Vienna (Austria), National Institute of Technology - Wakayama College (NITW; Japan), and Shimane University (Japan) present the ...

Nautiloids—a lineage of ancient, externally-shelled cephalopods that diverged from their octopus and squid relatives over 400 million years ago—once dominated our oceans. Today, this living fossil is ...

An ancient cephalopod fossil may be about to rewrite the history of octopuses and vampire squid, but it depends on who you ask. At the very least, it’s offering up a lesson in how hard it is to ...

Unlike the inner retina of vertebrates, bobtail squids process visual signals in a brain optic lobe that relies on a wide repertoire of predominantly dopaminergic cell types. Single-cell ...

WOODS HOLE, Mass. – Squid, octopus, and cuttlefish – even to scientists who study them – are wonderfully weird creatures. Known as the soft-bodied or coleoid cephalopods, they have the largest nervous ...

New research shows that the oldest ancestors of the group of animals that includes octopuses and vampire squids had not eight but 10 arms. The study, which describes a new species of vampyropod based ...