Florida
Snakes in Nassau County
27 species have been documented here, 6 of them venomous.
Venomous snakes in Nassau County
Full guide & what to do if bitten →
Pygmy RattlesnakeSistrurus miliariusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Florida CottonmouthAgkistrodon conantiVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Eastern Diamondback RattlesnakeCrotalus adamanteusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Eastern CoralsnakeMicrurus fulviusVenomousRings of red, yellow, and black where red touches yellow; small rounded head and round pupils.
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Nassau County
Banded Watersnake
Nerodia fasciata
Harmless
North American Racer
Coluber constrictor
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Pygmy Rattlesnake
Sistrurus miliarius
Venomous
Eastern Ratsnake
Pantherophis alleghaniensis
Harmless
Florida Cottonmouth
Agkistrodon conanti
Venomous
Common Garter Snake
Thamnophis sirtalis
Harmless
Scarletsnake
Cemophora coccinea
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
Eastern Diamondback Rattlesnake
Crotalus adamanteus
Venomous
Scarlet Kingsnake
Lampropeltis elapsoides
Harmless
Eastern Coralsnake
Micrurus fulvius
Venomous
Rainbow Snake
Farancia erytrogramma
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Pine Woods Littersnake
Rhadinaea flavilata
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Glossy Swampsnake
Liodytes rigida
Harmless
Brown Watersnake
Nerodia taxispilota
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Florida Brownsnake
Storeria victa
Harmless
Mudsnake
Farancia abacura
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.