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Texas

Snakes in Johnson County

24 species have been documented here, 5 of them venomous.

Venomous snakes in Johnson County

Full guide & what to do if bitten →
  • Broad-banded Copperhead
    Broad-banded Copperhead
    Agkistrodon laticinctus
    Venomous

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

  • Western Diamond-backed Rattlesnake
    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.

  • Eastern Copperhead
    Eastern Copperhead
    Agkistrodon contortrix
    Venomous

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

  • Western Massasauga
    Western Massasauga
    Sistrurus tergeminus
    Venomous

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

  • Eastern Massasauga
    Eastern Massasauga
    Sistrurus catenatus
    Venomous

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

Every snake recorded in Johnson County

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Johnson County: FAQ

Are there venomous snakes in Johnson County, Texas?
Yes. 5 venomous snake species have verified records in Johnson County, Texas, including Broad-banded Copperhead, Western Diamond-backed Rattlesnake, Eastern Copperhead, Western Massasauga. Most snakes in Johnson County, Texas, however, are harmless.
How many snake species live in Johnson County, Texas?
20+ snake species have verified records in Johnson County, Texas, of which 5 are venomous.
What is the most commonly seen snake in Johnson County, Texas?
The Western Ratsnake is the most frequently reported snake in Johnson County, Texas, based on verified wildlife observations.
What should I do if I see a venomous snake in Johnson 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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