Squid, cuttlefish, octopus and other cephalopods will now be included within the regulatory definition of shellfish.

Researchers took 3-D printed reconstructions of fossil cephalopods to actual water tanks (including a swimming pool) to see how their shell structure may have been tied to their movement and lifestyle ...

Cephalopods comprise one of the most morphologically and ecologically diverse classes of mollusks, tracing their origins to the Late Cambrian. Extant lineages fall into two principal groups: ...

If an alien intelligence were hiding somewhere on Earth, many scientists suspect it might look something like an octopus.Get ...

This is a guest post by Dr. Danna Staaf, a science writer with a PhD in marine biology from Stanford University. Her first book, Squid Empire: The Rise and Fall of the Cephalopods, chronicles the ...