Crayfish Regulations (PDF)
According to NC General Statue and NCWRC Regulation, it is unlawful to stock any fish (including shellfish and crustaceans) into public waters without a
WRC permit. It is also unlawful to transport, purchase, possess, or sell any live individuals of virile crayfish (Orconectes (Gremicambarus) virilis), rusty crayfish (Orconectes (Procericambarus) rusticus), Australian “red claw” crayfish (Cherax quadricarinatus) or other species of “giant” crayfish species.
The following illustration is reproduced from:
Cooper, J.E., and J.E. Price. 2010. A new spinose crayfish of the genus Cambarus, subgenus Puncticambarus (Decapoda: Cambaridae), from South Carolina. Proceedings of the Biological Society of Washington.123(4):335-344.

Fig. 1. Cambarus (Puncticambarus) aldermanorum. All from holotypic male, form I (NCSM 26535), except B, C, from morphotypic male, form II (NCSM 26536), and I, from allotypic female (NCSM 26537). A, Lateral aspect of carapace; B, E, Mesial aspect of left gonopod (first pleopod); C, F, Lateral aspect of left gonopod; D, Dorsal aspect of carapace; G, Caudal aspect of in situ gonopods; H, Epistome; I, Annulus ventralis and postannular sclerite; J, Dorsal aspect of right antennal scale; K, Dorsal aspect of distal podomeres of right cheliped. Setae not illustrated. Scale lines 5 2 mm.
Credit NCWRC for all photos.