Differentiated from its closest relative by its slightly smaller size and lighter color, it typically grows to about 20 inches, and is stout-bodied with black and pink blotches of color. Most of its teeth possess two grooves that conduct its venom, a nerve poison stored in the lower jaw. Known scientifically as * Heloderma suspectum, it and the Mexican beaded lizard are the only known poisonous lizards. Found in the American southwest, FTP, what 
Differentiated from its closest relative by its slightly smaller size and lighter color, it typically grows to about 20 inches, and is stout-bodied with black and pink blotches of color. Most of its teeth possess two grooves that conduct its venom, a nerve poison stored in the lower jaw. Known scientifically as * Heloderma suspectum, it and the Mexican beaded lizard are the only known poisonous lizards. Found in the American southwest, FTP, what is this lizard named for a local river basin?
Differentiated from its closest relative by its slightly smaller size and lighter color, it typically grows to about 20 inches, and is stout-bodied with black and pink blotches of color.
Gila monster (accept Heloderma suspectum until *)