Texas
Snakes in Concho County
30 species have been documented here, 5 of them venomous.
Venomous snakes in Concho County
Full guide & what to do if bitten →
Western Diamond-backed RattlesnakeCrotalus atroxVenomousHeavy 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.
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Concho County
Concho Watersnake
Nerodia paucimaculata
Harmless

Western Ribbon Snake
Thamnophis proximus
Harmless

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous

Common Coachwhip
Masticophis flagellum
Harmless

Checkered Garter Snake
Thamnophis marcianus
Harmless

Gopher Snake
Pituophis catenifer
Harmless

North American Racer
Coluber constrictor
Harmless

Ground Snake
Sonora semiannulata
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

Diamondback Watersnake
Nerodia rhombifer
Harmless

Plains Hognose Snake
Heterodon nasicus
Harmless

Long-nosed Snake
Rhinocheilus lecontei
Harmless
Brazos River Watersnake
Nerodia harteri
Harmless

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Great Plains Ratsnake
Pantherophis emoryi
Harmless

Eastern Massasauga
Sistrurus catenatus
Venomous

Rough Greensnake
Opheodrys aestivus
Harmless

Chihuahuan Hook-nosed Snake
Gyalopion canum
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Texas Blind Snake
Rena dulcis
Harmless

Western Massasauga
Sistrurus tergeminus
Venomous

Plains Black-headed Snake
Tantilla nigriceps
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Rough Earthsnake
Virginia striatula
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Flat-headed Snake
Tantilla gracilis
Harmless

Texas Patch-nosed Snake
Salvadora lineata
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Concho County: FAQ
- Are there venomous snakes in Concho County, Texas?
- Yes. 5 venomous snake species have verified records in Concho County, Texas, including Western Diamond-backed Rattlesnake, Northern Cottonmouth, Eastern Massasauga, Eastern Copperhead. Most snakes in Concho County, Texas, however, are harmless.
- How many snake species live in Concho County, Texas?
- 30+ snake species have verified records in Concho County, Texas, of which 5 are venomous.
- What is the most commonly seen snake in Concho County, Texas?
- The Concho Watersnake is the most frequently reported snake in Concho County, Texas, based on verified wildlife observations.
- What should I do if I see a venomous snake in Concho 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.