Louisiana
Snakes in Lafayette County
20 species have been documented here, 2 of them venomous.
Venomous snakes in Lafayette County
Full guide & what to do if bitten →
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Lafayette County

DeKay's Brownsnake
Storeria dekayi
Harmless

Western Ribbon Snake
Thamnophis proximus
Harmless

Banded Watersnake
Nerodia fasciata
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

Rough Earthsnake
Virginia striatula
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

Diamondback Watersnake
Nerodia rhombifer
Harmless

North American Racer
Coluber constrictor
Harmless

Speckled Kingsnake
Lampropeltis holbrooki
Harmless

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Rough Greensnake
Opheodrys aestivus
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Brahminy Blindsnake
Indotyphlops braminus
Harmless

Mississippi Green Watersnake
Nerodia cyclopion
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Eastern Kingsnake
Lampropeltis getula
Harmless

Mudsnake
Farancia abacura
Harmless

Glossy Swampsnake
Liodytes rigida
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Lafayette County: FAQ
- Are there venomous snakes in Lafayette County, Louisiana?
- Yes. 2 venomous snake species have verified records in Lafayette County, Louisiana, including Eastern Copperhead, Northern Cottonmouth. Most snakes in Lafayette County, Louisiana, however, are harmless.
- How many snake species live in Lafayette County, Louisiana?
- 20+ snake species have verified records in Lafayette County, Louisiana, of which 2 are venomous.
- What is the most commonly seen snake in Lafayette County, Louisiana?
- The DeKay's Brownsnake is the most frequently reported snake in Lafayette County, Louisiana, based on verified wildlife observations.
- What should I do if I see a venomous snake in Lafayette County, Louisiana?
- 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.