Florida
Snakes in Seminole County
28 species have been documented here, 4 of them venomous.
Venomous snakes in Seminole 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.
Every snake recorded in Seminole County

North American Racer
Coluber constrictor
Harmless

Banded Watersnake
Nerodia fasciata
Harmless

Pygmy Rattlesnake
Sistrurus miliarius
Venomous

Eastern Ratsnake
Pantherophis alleghaniensis
Harmless

Red Cornsnake
Pantherophis guttatus
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Scarlet Kingsnake
Lampropeltis elapsoides
Harmless

Pine Woods Littersnake
Rhadinaea flavilata
Harmless

Common Ribbon Snake
Thamnophis saurita
Harmless

Florida Brownsnake
Storeria victa
Harmless

Florida Cottonmouth
Agkistrodon conanti
Venomous

Eastern Diamondback Rattlesnake
Crotalus adamanteus
Venomous

Eastern Coralsnake
Micrurus fulvius
Venomous

Brahminy Blindsnake
Indotyphlops braminus
Harmless

Scarletsnake
Cemophora coccinea
Harmless

Common Coachwhip
Masticophis flagellum
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Brown Watersnake
Nerodia taxispilota
Harmless

Florida Green Watersnake
Nerodia floridana
Harmless

Mudsnake
Farancia abacura
Harmless

Rough Greensnake
Opheodrys aestivus
Harmless

Striped Swampsnake
Liodytes alleni
Harmless

Black Swampsnake
Seminatrix pygaea
Harmless

Eastern Kingsnake
Lampropeltis getula
Harmless

Florida Crowned Snake
Tantilla relicta
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Burmese Python
Python bivittatus
Harmless

Pine Snake
Pituophis melanoleucus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Seminole County: FAQ
- Are there venomous snakes in Seminole County, Florida?
- Yes. 4 venomous snake species have verified records in Seminole County, Florida, including Pygmy Rattlesnake, Florida Cottonmouth, Eastern Diamondback Rattlesnake, Eastern Coralsnake. Most snakes in Seminole County, Florida, however, are harmless.
- How many snake species live in Seminole County, Florida?
- 20+ snake species have verified records in Seminole County, Florida, of which 4 are venomous.
- What is the most commonly seen snake in Seminole County, Florida?
- The North American Racer is the most frequently reported snake in Seminole County, Florida, based on verified wildlife observations.
- What should I do if I see a venomous snake in Seminole County, Florida?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.