As of July 2017, six U.S. states have designated state crustaceans: * Louisiana has the freshwater crawfish Procambarus clarkii. * Maryland has the blue crab, Callinectes sapidus. * Oregon has the Dungeness crab, Metacarcinus magister. * Alabama has the brown shrimp, Peneaus aztecus. * Maine has the lobster, Homarus americanus. * Texas has the Texas Gulf Shrimp, Penaeus aztecus, P. setiferus, and P. duorarum.