NOT venomous but may bite if harassed. Typically found in and around bodies of water. Head is only slightly wider than neck, keeled scales, round pupils. Stocky body with an irregular pattern of wide black bands fading to brown and shades of orange or yellow. Compare to the venomous copperhead, which has a regular pattern of hourglass-shaped brown crossbands and does not have a significant amount of black coloration. Typically 20 to 30 inches (61 to 76cm) in length. (J. R. Dixon and J. E. Werler, Texas Snakes: A Field Guide, University of Texas Press, 2000.)