Snakes in Hillsborough County

• 
  Florida Cottonmouth

  Agkistrodon conanti

  ▲ Venomous

  Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.

• 
  Pygmy Rattlesnake

  Sistrurus miliarius

  ▲ Venomous

  Stout, dark-blotched body, nine large scales on the crown, and a small rattle.

• 
  Eastern Diamondback Rattlesnake

  Crotalus adamanteus

  ▲ Venomous

  Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

• 
  Eastern Coralsnake

  Micrurus fulvius

  ▲ Venomous

  Rings of red, yellow, and black where red touches yellow; small rounded head and round pupils.

• 
  Northern Cottonmouth

  Agkistrodon piscivorus

  ▲ Venomous

  Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.

Every snake recorded in Hillsborough County

North American Racer

Coluber constrictor

Harmless

Banded Watersnake

Nerodia fasciata

Harmless

Red Cornsnake

Pantherophis guttatus

Harmless

Brown Watersnake

Nerodia taxispilota

Harmless

Florida Cottonmouth

Agkistrodon conanti

▲ Venomous

Ring-necked Snake

Diadophis punctatus

Harmless

Eastern Ratsnake

Pantherophis alleghaniensis

Harmless

Brahminy Blindsnake

Indotyphlops braminus

Harmless

Pygmy Rattlesnake

Sistrurus miliarius

▲ Venomous

Eastern Diamondback Rattlesnake

Crotalus adamanteus

▲ Venomous

Pine Woods Littersnake

Rhadinaea flavilata

Harmless

Common Ribbon Snake

Thamnophis saurita

Harmless

Scarletsnake

Cemophora coccinea

Harmless

Eastern Coralsnake

Micrurus fulvius

▲ Venomous

Florida Brownsnake

Storeria victa

Harmless

Eastern Kingsnake

Lampropeltis getula

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Florida Crowned Snake

Tantilla relicta

Harmless

Mudsnake

Farancia abacura

Harmless

Florida Green Watersnake

Nerodia floridana

Harmless

Striped Swampsnake

Liodytes alleni

Harmless

Scarlet Kingsnake

Lampropeltis elapsoides

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Burmese Python

Python bivittatus

Harmless

Ball Python

Python regius

Harmless

Short-tailed Snake

Lampropeltis extenuata

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Saltmarsh Snake

Nerodia clarkii

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Boa Constrictor

Boa constrictor

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Hillsborough County: FAQ

Are there venomous snakes in Hillsborough County, Florida?

Yes. 5 venomous snake species have verified records in Hillsborough County, Florida, including Florida Cottonmouth, Pygmy Rattlesnake, Eastern Diamondback Rattlesnake, Eastern Coralsnake. Most snakes in Hillsborough County, Florida, however, are harmless.

How many snake species live in Hillsborough County, Florida?

30+ snake species have verified records in Hillsborough County, Florida, of which 5 are venomous.

What is the most commonly seen snake in Hillsborough County, Florida?

The North American Racer is the most frequently reported snake in Hillsborough County, Florida, based on verified wildlife observations.

What should I do if I see a venomous snake in Hillsborough 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.

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