Southern black racer (scientific name: "Coluber constrictor"), the racer is more likely to suffocate or crush its victim into the ground, rather than coiling around it in typical constrictor fashion. Man remains the greatest enemy of black racers. Many are killed on highways and others are intentionally killed out of fear. The white chin causes some people to kill this snake, believing that it is a cottonmouth – a venomous snake more commonly called a water moccasin. The venomous snake has a white lining inside of its mouth. Racers are nonvenomous and do not breed with cottonmouths. Natural enemies include such birds of
Brown-banded water snake nape, and are arranged in 19 rows. Ventrals are 102-130 in number, the anal scale is divided, and the 61-94 subcaudals are paired and keeled. "H. angulatus" lives in fresh and brackish water, where it feeds on fish and possibly also freshwater eels and frogs. "H. angulatus" has been reported to be "facultatively ovoviviparous". Brown-banded water snake The brown-banded water snake ("Helicops angulatus") is a species of aquatic snake found in tropical South America and Trinidad and Tobago. The brown-banded water snake grows to a maximum total length (including tail) of 78 cm (31 inches). Dorsally, it is olive or