Snakes in Aransas County

• 
  Northern Cottonmouth

  Agkistrodon piscivorus

  ▲ Venomous

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

• 
  Western Diamond-backed Rattlesnake

  Crotalus atrox

  ▲ Venomous

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

• 
  Texas Coralsnake

  Micrurus tener

  ▲ Venomous

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

Every snake recorded in Aransas County

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Western Ribbon Snake

Thamnophis proximus

Harmless

Rough Earthsnake

Virginia striatula

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Western Ratsnake

Pantherophis obsoletus

Harmless

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Diamondback Watersnake

Nerodia rhombifer

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Texas Coralsnake

Micrurus tener

▲ Venomous

Saltmarsh Snake

Nerodia clarkii

Harmless

Checkered Garter Snake

Thamnophis marcianus

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

North American Racer

Coluber constrictor

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Flat-headed Snake

Tantilla gracilis

Harmless

Mississippi Green Watersnake

Nerodia cyclopion

Harmless

Texas Blind Snake

Rena dulcis

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Schott's Whipsnake

Masticophis schotti

Harmless

Common Garter Snake

Thamnophis sirtalis

Harmless

Mudsnake

Farancia abacura

Harmless

Banded Watersnake

Nerodia fasciata

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Eastern Kingsnake

Lampropeltis getula

Harmless

Texas Patch-nosed Snake

Salvadora lineata

Harmless

Plains Black-headed Snake

Tantilla nigriceps

Harmless

Texas Scarletsnake

Cemophora lineri

Harmless

Glossy Snake

Arizona elegans

Harmless

Desert Kingsnake

Lampropeltis splendida

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Aransas County: FAQ

Are there venomous snakes in Aransas County, Texas?

Yes. 3 venomous snake species have verified records in Aransas County, Texas, including Northern Cottonmouth, Western Diamond-backed Rattlesnake, Texas Coralsnake. Most snakes in Aransas County, Texas, however, are harmless.

How many snake species live in Aransas County, Texas?

30+ snake species have verified records in Aransas County, Texas, of which 3 are venomous.

What is the most commonly seen snake in Aransas County, Texas?

The Northern Cottonmouth is the most frequently reported snake in Aransas County, Texas, based on verified wildlife observations.

What should I do if I see a venomous snake in Aransas County, Texas?

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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