South Carolina
Snakes in Marlboro County
17 species have been documented here, 3 of them venomous.
Venomous snakes in Marlboro County
Full guide & what to do if bitten →
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Pygmy RattlesnakeSistrurus miliariusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Marlboro County
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Eastern Kingsnake
Lampropeltis getula
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Brown Watersnake
Nerodia taxispilota
Harmless
Mudsnake
Farancia abacura
Harmless
North American Racer
Coluber constrictor
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Eastern Ratsnake
Pantherophis alleghaniensis
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Pygmy Rattlesnake
Sistrurus miliarius
Venomous
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Glossy Swampsnake
Liodytes rigida
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.