Florida
Snakes in Duval County
36 species have been documented here, 5 of them venomous.
Venomous snakes in Duval 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.
Every snake recorded in Duval County

North American Racer
Coluber constrictor
Harmless

Banded Watersnake
Nerodia fasciata
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Red Cornsnake
Pantherophis guttatus
Harmless

Pygmy Rattlesnake
Sistrurus miliarius
Venomous

Pine Woods Littersnake
Rhadinaea flavilata
Harmless

Florida Cottonmouth
Agkistrodon conanti
Venomous

Scarletsnake
Cemophora coccinea
Harmless

Common Ribbon Snake
Thamnophis saurita
Harmless

Eastern Ratsnake
Pantherophis alleghaniensis
Harmless

Rough Greensnake
Opheodrys aestivus
Harmless

Florida Brownsnake
Storeria victa
Harmless

Eastern Diamondback Rattlesnake
Crotalus adamanteus
Venomous

Ring-necked Snake
Diadophis punctatus
Harmless

Scarlet Kingsnake
Lampropeltis elapsoides
Harmless

Glossy Swampsnake
Liodytes rigida
Harmless

Common Coachwhip
Masticophis flagellum
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Eastern Coralsnake
Micrurus fulvius
Venomous

Brahminy Blindsnake
Indotyphlops braminus
Harmless

Mudsnake
Farancia abacura
Harmless

Eastern Kingsnake
Lampropeltis getula
Harmless

Striped Swampsnake
Liodytes alleni
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

DeKay's Brownsnake
Storeria dekayi
Harmless

Ball Python
Python regius
Harmless

Brown Watersnake
Nerodia taxispilota
Harmless

Boa Constrictor
Boa constrictor
Harmless

Mexican West Coast Boa Constrictor
Boa sigma
Harmless

Pine Snake
Pituophis melanoleucus
Harmless

Rainbow Snake
Farancia erytrogramma
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Rough Earthsnake
Virginia striatula
Harmless

Burmese Python
Python bivittatus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.