I'm sure the laws are fuzzy, Just glad Georgia isn't on the list.
Spike
http://www.utpa.edu/faculty/zfaulkes/marmorkrebs/crayfish_laws.html
California: Importation of any live crayfish into California requires a permit issued by the Department. Live importation of exotic species of crayfish also requires authorization of the California Fish and Game Commission. ... Section 671 of Title 14, CCR, prohibits the importation or release alive in California of any species of crayfish of the family Cambaridae, except Procambarus clarkii and Orconectes virilis. - Regulations governing take, sale or transport of crayfish for commercial purposes [Last viewed 22 January 2009]
Spike

http://www.utpa.edu/faculty/zfaulkes/marmorkrebs/crayfish_laws.html
California: Importation of any live crayfish into California requires a permit issued by the Department. Live importation of exotic species of crayfish also requires authorization of the California Fish and Game Commission. ... Section 671 of Title 14, CCR, prohibits the importation or release alive in California of any species of crayfish of the family Cambaridae, except Procambarus clarkii and Orconectes virilis. - Regulations governing take, sale or transport of crayfish for commercial purposes [Last viewed 22 January 2009]