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

The U.S. Fish and Wildlife Service finalized a rule that removes the requirement that shellfish have an external shell. Photo ...

Add Yahoo as a preferred source to see more of our stories on Google. A variety of raw fish and shellfish displayed with ice and lemon - Pamela_d_mcadams/Getty Images When you dive into the world of ...