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:
Hobbs, H.H., Jr. 1981. The crayfishes of Georgia. Smithsonian Contributions to Zoology 318:1-549.

Figure 112. -- Orconectes forceps (c, f, from second form male; k, l, from female from South Chickamauga Creek at Rte S819 in Graysville, Catoosa Co; all others from first form male from Little Chickamauga Chreek at Ringgold, Catoosa Co): a, lateral view of carapace; b, c, mesial view of first pleopod; d, dorsal view of carapace; e, dorsal view of distal podomeres of cheliped; f, g, lateral view of first pleopod; h, antennal scale; i, caudal view of first pleopods; j, proximal podomeres of third, fourth, and fifth pereiopods; k, annulus ventralis; l, epistome.

Credit: TWRA-Carl Williams