In this module, we observed a squid dissection. This gave us a detailed look at the anatomy and physiology of a very successful group of animals - the cephalopods. Check out this NOVA page about cuttlefish camouflage and consider discussing the advantages of this specialized skill? Cuttlefish and other cephalopod relatives, including squid and octopus, are mollusks, meaning they are closely related to snails and slugs. Does a National Marine Sanctuary slug have a\"pen\"or remnant of its Photographer: William Millhouser, mollusky kinship? NOS Image ID: sanc1001, NOAA's Sanctuaries Collection Location: Stellwagen Bank Another factor to consider, is that squid are of great economic value, which can easily lead to a practical discussion on the economics and ecology of the seafood industry. For example, who regulates worldwide harvests of squid and octopus? Why are regulations on commercial fishing important