States Wildlife

South Carolina Snakes: Identification Guide With Pictures

Last checked November 3, 2026 against official sources.

On this page
  1. Venomous snakes
  2. The other 33 snakes
  3. Lookalikes
  4. When they are active
  5. If you are bitten or stung
  6. How to report
  7. Common questions
  8. What official sources say
  9. About this list
  10. Sources

South Carolina Department of Natural Resources: There are 38 snake species in South Carolina, only six of which are venomous.

This page lists 39 snakes. 6 are venomous by official accounts: Timber Rattlesnake, Copperhead, Cottonmouth / Water Moccasin, Eastern Coral Snake, Eastern Diamondback Rattlesnake and Pigmy Rattlesnake. South Carolina Department of Natural Resources gives a total of 38; the 39 here are the snakes official sources name one by one.

Venomous snakes in South Carolina

Official sources label these snakes venomous in South Carolina. Venomous snakes in South Carolina has more on each one.

Copperhead
Photo: USFWSmidwest · Public domain · Wikimedia Commons

Copperhead

Agkistrodon contortrix

Venomous per South Carolina Department of Natural Resources

Size
Adults usually about 2 to 3 feet (24-36 in); record about 53 inches.
How to recognize it
  • Vertical (cat-like) pupils and a heat-sensing pit between eye and nostril
  • Heavy-bodied; keeled scales
  • Head shape alone is not a reliable way to identify copperheads
Where in South Carolina
Found throughout our state SCDNR and South Carolina Wildlife Magazine
56 records by month.
What the sources say

Venom: “The six venomous species are the coral snake, pigmy rattlesnake, cottonmouth (aka water moccasin), copperhead, canebrake or timber rattlesnake, and the eastern diamondback rattlesnake.” (South Carolina Department of Natural Resources)

Habitat: Copperheads occur in a wide range of habitat types including mountain coves, piedmont and coastal plain hardwood forests, longleaf pine forests and swamp forests. (SCDNR and South Carolina Wildlife Magazine)

Full Copperhead guide

Cottonmouth / Water Moccasin
Photo: Geoff Gallice from Gainesville · CC BY 2.0 · Wikimedia Commons

Cottonmouth / Water Moccasin

Agkistrodon piscivorus

Venomous per South Carolina Department of Natural Resources

Size
Typically 30 to 48 inches (about 3 to 4 feet); recorded up to 75 inches.
How to recognize it
  • Heat-sensing pit between nostril and eye; no rattle
  • Head much wider than the neck, with a dark bar from the eye to the jaw; vertical (cat-eye) pupils
  • Gapes to show the white lining of its mouth when threatened
Where in South Carolina
In South Carolina, cottonmouths typically live in the sandhills and coastal plain regions, but do not enter the piedmont nor mountain regions of the state. South Carolina Department of Natural Resources
60 records by month.
What the sources say

Venom: “The six venomous species are the coral snake, pigmy rattlesnake, cottonmouth (aka water moccasin), copperhead, canebrake or timber rattlesnake, and the eastern diamondback rattlesnake.” (South Carolina Department of Natural Resources)

Full Cottonmouth / Water Moccasin guide

Eastern Coral Snake
Photo: Court Harding · CC BY 4.0 · iNaturalist

Eastern Coral Snake

Micrurus fulvius

Venomous per South Carolina Department of Natural Resources

What the sources say

Venom: “The six venomous species are the coral snake, pigmy rattlesnake, cottonmouth (aka water moccasin), copperhead, canebrake or timber rattlesnake, and the eastern diamondback rattlesnake.” (South Carolina Department of Natural Resources)

Habitat: The species is very secretive, spending much of its time underground, and loose, sandy soil typifies most of the habitats frequented by the coral snake. (SCDNR and South Carolina Wildlife Magazine)

Eastern Diamondback Rattlesnake
Photo: Kent P. McFarland · CC0 1.0 · iNaturalist

Eastern Diamondback Rattlesnake

Crotalus adamanteus

Venomous per South Carolina Department of Natural Resources

Size
Most adults 33 to 72 inches (about 3 to 6 feet); record 99 inches.
How to recognize it
  • Light-bordered dark stripe running diagonally through each eye
  • Tail ends in a rattle, often held above the ground
  • Cat-like vertical pupil and a deep heat-sensing pit between nostril and eye
Where in South Carolina
Longleaf pine flatwoods, rolling pine-hills and in maritime grasslands of the lower coast SCDNR and South Carolina Wildlife Magazine
Conservation
"considered a species of concern in South Carolina"
What the sources say

Venom: “The six venomous species are the coral snake, pigmy rattlesnake, cottonmouth (aka water moccasin), copperhead, canebrake or timber rattlesnake, and the eastern diamondback rattlesnake.” (South Carolina Department of Natural Resources)

Habitat: Longleaf pine flatwoods, rolling pine-hills and in maritime grasslands of the lower coast (SCDNR and South Carolina Wildlife Magazine)

Full Eastern Diamondback Rattlesnake guide

Pigmy Rattlesnake
Photo: Jolieokefenokee · CC BY 4.0 · Wikimedia Commons

Pigmy Rattlesnake

Sistrurus miliarius

Venomous per South Carolina Department of Natural Resources

Size
Adults usually 12-24 inches (30-61 cm); record 31-33 inches. Newborns about 5-6 inches.
How to recognize it
  • Tiny rattle at the end of a slender tail; buzz sounds like an insect
  • Pit viper: heat-sensing pit between nostril and eye, vertical (cat-like) pupils, keeled scales; nine large plates on top of the head
  • Large head scales (other rattlesnakes have small scales on the head)
Where in South Carolina
Throughout South Carolina, with the exception of the mountains SCDNR and South Carolina Wildlife Magazine
What the sources say

Venom: “The six venomous species are the coral snake, pigmy rattlesnake, cottonmouth (aka water moccasin), copperhead, canebrake or timber rattlesnake, and the eastern diamondback rattlesnake.” (South Carolina Department of Natural Resources)

Habitat: They occur in a variety of habitats but are seldom found far from fresh water, such as marshes, swamps and ponds. (SCDNR and South Carolina Wildlife Magazine)

Full Pigmy Rattlesnake guide

Timber (Canebrake) Rattlesnake
Photo: NPS Photo · Public domain · Wikimedia Commons

Timber (Canebrake) Rattlesnake

Crotalus horridus

Venomous per South Carolina Department of Natural Resources

Size
Most adults 36 to 60 inches (3 to 5 feet); record 74.5 inches.
How to recognize it
  • Black tail ending in a rattle
  • Heat-sensing pit between nostril and eye
  • Large, thick head distinct from the neck; cat-like vertical pupil
Where in South Carolina
Found throughout South Carolina SCDNR and South Carolina Wildlife Magazine
32 records by month.
What the sources say

Venom: “The six venomous species are the coral snake, pigmy rattlesnake, cottonmouth (aka water moccasin), copperhead, canebrake or timber rattlesnake, and the eastern diamondback rattlesnake.” (South Carolina Department of Natural Resources)

Habitat: The canebrake of the piedmont and coastal plain is a species of forested woodlands, wooded bluffs near rivers, river swamps and wet thickets. (SCDNR and South Carolina Wildlife Magazine)

Full Timber (Canebrake) Rattlesnake guide

The other 33 snakes

From A to Z. "Not stated" means no official source we use gives a venom status, not that the snake is harmless. Some harmless snakes mimic venomous ones: leave every snake alone.

No confirmed photo of Banded Watersnake

Banded Watersnake

Nerodia fasciata

Non-venomous per SCDNR and South Carolina Wildlife Magazine

Where in South Carolina
In our region, banded watersnakes are restricted to the Coastal Plain, where they are replaced by the closely related northern watersnake (Nerodia sipedon) in the … University of Georgia Savannah River Ecology Laboratory
52 records by month.
What the sources say

Venom: “The banded water snake and brown water snake are large-bodied, non-venomous water snakes that are commonly mistaken for the cottonmouth.” (SCDNR and South Carolina Wildlife Magazine)

Range: In our region, banded watersnakes are restricted to the Coastal Plain, where they are replaced by the closely related northern watersnake (Nerodia sipedon) in the Piedmont and mountain regions.

Habitat: They occur in nearly all freshwater habitats, including ponds, lakes, rivers, streams, swamps, wetlands, and marshes. (University of Georgia Savannah River Ecology Laboratory)

Black Racer
Photo: Everglades NPS from Homestead, Florida, United States · Public domain · Wikimedia Commons

Black Racer

Coluber constrictor

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Size
Most adults about 3 to 5 ft. Sources range from 20 to 56 inches (Florida Museum) to 34 to 77 inches (New Jersey); Alabama says some exceed 6 ft.
How to recognize it
  • Smooth scales
  • Long and slender with large eyes
  • White chin
Where in South Carolina
In Georgia and South Carolina, they are found throughout the Piedmont, Coastal Plain, Blue Ridge, and Appalachian plateau regions. University of Georgia Savannah River Ecology Laboratory
85 records by month.
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: They inhabit a wide variety of ecosystems, including pine flatwoods, hardwood forests, scrub, grasslands, old fields, wetlands, and suburban edges. (University of Georgia Savannah River Ecology Laboratory)

Full Black Racer guide

Black Swamp Snake
Photo: Laura Gaudette · CC BY 4.0 · iNaturalist

Black Swamp Snake

Seminatrix pygaea

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
Black swamp snakes are found in the Coastal Plain of the southeastern United States from eastern North Carolina to southern Alabama and throughout Florida. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: They are highly aquatic and inhabit a variety of open aquatic habitats including Carolina bays, roadside ditches, sphagnum bogs, sawgrass prairies, and the margins of heavily-vegetated ponds and lakes. (University of Georgia Savannah River Ecology Laboratory)

Brown Snake
Photo: Judy Gallagher · CC BY 2.0 · Wikimedia Commons

Brown Snake

Storeria dekayi

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Size
Most adults 9 to 13 inches; occasionally up to about 20 inches.
How to recognize it
  • Dark top of head; a dark spot under each eye and on each side of the neck
  • Keeled (ridged) scales in 17 rows; round pupil
  • Tennessee: a small dark downward streak on the side of the head
Where in South Carolina
Brown snakes are found throughout the eastern US, but are absent from high elevations in the mountains. University of Georgia Savannah River Ecology Laboratory
54 records by month.
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: In the Piedmont this species can be found in a variety of woodland habitats. (University of Georgia Savannah River Ecology Laboratory)

Full Brown Snake guide

Brown Watersnake
Photo: Leila Dasher · CC BY 4.0 · iNaturalist

Brown Watersnake

Nerodia taxispilota

Non-venomous per SCDNR and South Carolina Wildlife Magazine

Where in South Carolina
Brown watersnakes are found throughout Georgia and South Carolina with the exception of mountainous regions of extreme northwestern South Carolina and northern Georgia. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “The banded water snake and brown water snake are large-bodied, non-venomous water snakes that are commonly mistaken for the cottonmouth.” (SCDNR and South Carolina Wildlife Magazine)

Coachwhip
Photo: NOAA · Public domain · Wikimedia Commons

Coachwhip

Masticophis flagellum

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Size
Most adults about 42 to 60 inches (3.5 to 5 ft); record 102 inches (8.5 ft). Ranges given by agencies: 41 to 84 in (Louisiana), 36 to 82 in (Oklahoma), adults average 50 to 72 in (Alabama), up to 94 in (NC State Extension), up to 80 in in Colorado and up to 68 in in Arizona.
How to recognize it
  • Long, slowly tapering tail whose scales look like a braided whip
  • Very long and slender, with smooth scales
  • Large eyes with round pupils
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: In the Southeast, eastern coachwhips are strongly associated with xeric, open canopy habitats. (University of Georgia Savannah River Ecology Laboratory)

Full Coachwhip guide

Corn Snake
Photo: Bea Leiderman · CC BY 4.0 · iNaturalist

Corn Snake

Elaphe [Pantherophis] guttatus

Non-venomous per SCDNR and South Carolina Wildlife Magazine

Where in South Carolina
Corn snakes range across the southeastern United States, from southern New Jersey, extending south through the Carolinas to the Florida Keys, and westward toward eastern … University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “…non-venomous snake that may be confused with the copperhead.” (SCDNR and South Carolina Wildlife Magazine)

Range: Corn snakes range across the southeastern United States, from southern New Jersey, extending south through the Carolinas to the Florida Keys, and westward toward eastern Louisiana.

Habitat: Within this range, they occupy a variety of habitats, including open pine woodlands (e.g., longleaf sandhill habitat), abandoned fields, hardwood hammocks, and agricultural edges. (University of Georgia Savannah River Ecology Laboratory)

Eastern Garter Snake
Photo: kclarksdnhmorg · CC BY 4.0 · iNaturalist

Eastern Garter Snake

Thamnophis sirtalis

Non-venomous per University of Georgia Savannah River Ecology Laboratory

54 records by month.
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: Garter snakes are common throughout the Southeast and most of North America and are found in a wide variety of habitats, including meadows, marshes, woodlands, and hillsides. (University of Georgia Savannah River Ecology Laboratory)

Eastern Kingsnake
Photo: Matthew Lumsden · CC BY 4.0 · iNaturalist

Eastern Kingsnake

Lampropeltis getula

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Size
Most adults are about 36-48 inches. Maryland gives a record of 82 inches; Alabama gives up to 6.9 feet.
How to recognize it
  • Smooth, shiny scales and an indistinct neck.
  • Round pupil.
  • Florida Museum counts 19-32 crossbands in Florida; Alabama counts 23 to 52.
Where in South Carolina
Eastern Kingsnake (L. getula): Ranges from southern New Jersey south through peninsular Florida, westward into Alabama, and is found across Georgia and South Carolina. University of Georgia Savannah River Ecology Laboratory
36 records by month.
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: They are most frequently encountered in sandy uplands, but also occur in pine flatwoods, mixed hardwood forests, river floodplains, and habitats near wetlands. (University of Georgia Savannah River Ecology Laboratory)

Full Eastern Kingsnake guide

Eastern Ribbon Snake
Photo: Rstanton13 · CC BY-SA 4.0 · Wikimedia Commons · resized

Eastern Ribbon Snake

Thamnophis sauritus

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
In our region, they are found in the Piedmont and Coastal Plain, but become progressively more common from the Mountains to the Coast. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: Ribbon snakes are semiaquatic and are frequently found at the edges of lakes, bogs, and salt marshes. (University of Georgia Savannah River Ecology Laboratory)

Glossy Crayfish Snake
Photo: William L. Farr · CC BY-SA 4.0 · Wikimedia Commons · resized

Glossy Crayfish Snake

Regina rigida

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
The glossy crayfish snake is found in the Coastal Plain of the southeastern United States from eastern North Carolina to eastern Texas but is absent from the southern … University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Range: The glossy crayfish snake is found in the Coastal Plain of the southeastern United States from eastern North Carolina to eastern Texas but is absent from the southern portion of peninsular Florida.

Habitat: They are highly aquatic and inhabit a variety of wetland habitats including cypress swamps, Carolina bays, roadside ditches, and the margins of heavily-vegetated ponds and lakes. (University of Georgia Savannah River Ecology Laboratory)

No confirmed photo of Green Watersnake

Green Watersnake

Nerodia floridana

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
There are two isolated populations, in western and southern South Carolina. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: They prefer to live in vegetation choked, still waters such as swamps and marshes. (University of Georgia Savannah River Ecology Laboratory)

Milk Snake
Photo: Tom Norton · CC BY 4.0 · iNaturalist

Milk Snake

Lampropeltis triangulum

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Size
Eastern milksnake 24 to 52 inches (Alabama); TN gives 24 to 36 inches for eastern and 21 to 28 for red milksnake.
How to recognize it
  • Eastern milksnake: black-and-white checkerboard belly (Ohio). Western milksnake in Louisiana: underside dull white with scattered black marks.
  • Eastern milksnake: a light Y- or V-shaped mark is usually present on the nape
  • Smooth, shiny scales and round pupils
Where in South Carolina
The milk snake occurs throughout or area, but is most commonly seen in mountain forests. SCDNR

Full Milk Snake guide

Mole Kingsnake
Photo: Peter Paplanus · CC BY 2.0 · Wikimedia Commons

Mole Kingsnake

Lampropeltis calligaster

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
Within the Southeast, the Mole Kingsnake is characteristic of the Piedmont, where it is most common, though it also occurs in limited portions of the Coastal Plain of … University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Range: Within the Southeast, the Mole Kingsnake is characteristic of the Piedmont, where it is most common, though it also occurs in limited portions of the Coastal Plain of the Carolinas.

Habitat: Habitats include fields, cultivated lands, thickets, and forest edges, with highest abundance in open areas. (University of Georgia Savannah River Ecology Laboratory)

Mud Snake
Photo: Annika Lindqvist · CC BY 4.0 · iNaturalist

Mud Snake

Farancia abacura

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
Eastern mudsnakes occur throughout the southeastern United States, from southeastern Virginia through the coastal plain of South Carolina and Georgia, throughout … University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Range: Eastern mudsnakes occur throughout the southeastern United States, from southeastern Virginia through the coastal plain of South Carolina and Georgia, throughout Florida, and westward into southwestern Alabama.

Habitat: They are strongly associated with aquatic habitats and are most abundant in shallow, heavily vegetated wetlands with muddy bottoms, including Carolina bays, cypress swamps, slow-moving creeks, and marshes. (University of Georgia Savannah River Ecology Laboratory)

Northern Watersnake
Photo: U.S. Fish and Wildlife Service - Midwest Region · Public domain · Wikimedia Commons

Northern Watersnake

Nerodia sipedon

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Size
Adults 22 to 42 inches long, occasionally to 59 inches (Missouri). Pennsylvania gives 24 to over 50 inches; females are usually bigger than males.
How to recognize it
  • Dark crossbands on the front part of the body break up into rows of blotches from the middle of the body to the tail.
  • Belly white, yellow or orange, usually with dark half-moon-shaped spots.
  • Keeled (ridged) scales, so it feels rough; round pupils like other nonvenomous snakes in Missouri.
Where in South Carolina
In our region, they are restricted to the Piedmont and mountains. University of Georgia Savannah River Ecology Laboratory
41 records by month.
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: They inhabit a variety of aquatic habitats including lakes, ponds, marshes, rivers, and streams. (University of Georgia Savannah River Ecology Laboratory)

Full Northern Watersnake guide

Pine Snake
Photo: Alpha Wolf · CC BY 4.0 · iNaturalist

Pine Snake

Pituophis melanoleucus

Non-venomous per SCDNR and South Carolina Wildlife Magazine

Size
Most adults are 48 to 66 inches long. The Florida Museum gives a record of 90 inches; Alabama gives a maximum of 83 inches for the northern and 74 inches for the black subspecies. New Jersey gives 48 to 100 inches.
How to recognize it
  • Pointed snout covered by a large, triangular, cone-shaped scale, used for pushing into soft earth.
  • Strongly keeled (ridged) body scales and round pupils.
  • Four prefrontal scales between and just in front of the eyes, where most similar snakes have two.
Where in South Carolina
They are found throughout the Coastal Plain of North Carolina, South Carolina, Georgia, and throughout Florida, and in disjunct populations in the dry mountains of … University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “The pine snake is a large, blotched non-venomous snake that can be mistaken for a rattlesnake.” (SCDNR and South Carolina Wildlife Magazine)

Range: They are found throughout the Coastal Plain of North Carolina, South Carolina, Georgia, and throughout Florida, and in disjunct populations in the dry mountains of Virginia, Tennessee, and northern Georgia.

Habitat: Pine snakes are found across the Southeast, but their range is patchy. (University of Georgia Savannah River Ecology Laboratory)

Full Pine Snake guide

Pine Woods Snake
Photo: Josiah Londerée · CC BY 4.0 · iNaturalist

Pine Woods Snake

Rhadinaea flavilata

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
Pine woods snakes are found in scattered populations throughout the Coastal Plain in the southeastern U.S. Although common in a few sections of Florida they are … University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Although not dangerous to humans, this species has toxic saliva that it uses to subdue its prey.” (University of Georgia Savannah River Ecology Laboratory)

Range: Pine woods snakes are found in scattered populations throughout the Coastal Plain in the southeastern U.S. Although common in a few sections of Florida they are generally uncommon to rare in our region.

Habitat: The most inland populations that have been discovered are in South Carolina on the Savannah River Site. (University of Georgia Savannah River Ecology Laboratory)

Queen Snake
Photo: Rstanton13 · CC BY-SA 4.0 · Wikimedia Commons · resized

Queen Snake

Regina septemvittata

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
In our region, this species is common in the mountains and some regions of the Piedmont and its range extends along some river drainages into the Coastal Plain. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Rainbow Snake
Photo: Joshua Liverman · CC BY 4.0 · iNaturalist

Rainbow Snake

Farancia erytrogramma

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
Occurs in the Coastal Plain from southern Virginia to eastern Louisiana, absent from the Piedmont and Mountains. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: Prefers flowing-water habitats such as blackwater creeks, streams, and rivers, as well as cypress swamps. (University of Georgia Savannah River Ecology Laboratory)

Rat Snake
Photo: Peter Paplanus from St. Louis, Missouri · CC BY 4.0 · Wikimedia Commons

Rat Snake

Pantherophis obsoletus alleghaniensis

Non-venomous per University of Georgia Savannah River Ecology Laboratory

What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: Found in a variety of wooded and forested habitats, swamps, and wetlands. (University of Georgia Savannah River Ecology Laboratory)

Red-bellied Watersnake
Photo: Peter Paplanus · CC BY 2.0 · Wikimedia Commons

Red-bellied Watersnake

Nerodia erythrogaster

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
Occurs throughout the Southeast Coastal Plain and lower Piedmont, absent from the Appalachian Mountains and peninsular Florida. University of Georgia Savannah River Ecology Laboratory
47 records by month.
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: Prefers aquatic habitats such as rivers, lakes, creeks, wetlands, and swamps. (University of Georgia Savannah River Ecology Laboratory)

Redbellied Snake
Photo: Rstanton13 · CC BY-SA 4.0 · Wikimedia Commons · resized

Redbellied Snake

Storeria occipitomaculata

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Size
Usually 8 to 10 inches; state figures run from about 4 to 16 inches, with a Florida record of 16.6 inches.
How to recognize it
  • Plain, unmarked red or orange belly.
  • Three light spots just behind the head, which may fuse into a collar.
  • Keeled (ridged) scales in 15 rows at midbody and round pupils.
Where in South Carolina
Although the closely-related brown snake (Storeria dekayi) adapts well to suburban habitats, this species is usually most commonly associated with forested habitats in … University of Georgia Savannah River Ecology Laboratory
34 records by month.
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Range: Although the closely-related brown snake (Storeria dekayi) adapts well to suburban habitats, this species is usually most commonly associated with forested habitats in our region.

Habitat: This species can be found in a variety of woodland habitats but in the Coastal Plain is most common in or around the margins of small wetlands. (University of Georgia Savannah River Ecology Laboratory)

Full Redbellied Snake guide

Ringneck Snake
Photo: Peter Paplanus from St. Louis, Missouri · CC BY 2.0 · Wikimedia Commons

Ringneck Snake

Diadophis punctatus

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Size
Usually 8 to 15 inches long; Alabama reports up to about 18 inches, rarely 24. AZGFD gives a maximum of 34 inches for Arizona animals.
How to recognize it
  • A yellow, cream or orange ring around the neck; it may be incomplete, and some Lower Florida Keys and western Arizona snakes lack it.
  • Bright yellow to orange or red belly, often with a row of black half-moon spots; the underside of the tail is often red.
  • Smooth, shiny scales and a small head only slightly wider than the neck.
Where in South Carolina
Ringneck’s distribution ranges across the entire states of South Carolina and Georgia. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “They possess mild venom in their saliva and enlarged rear teeth that help subdue prey, but they are harmless to humans.” (University of Georgia Savannah River Ecology Laboratory)

Habitat: They favor moist woodlands, forest edges, and areas with loose soil and abundant cover. (University of Georgia Savannah River Ecology Laboratory)

Full Ringneck Snake guide

Rough Earth Snake
Photo: Peter Paplanus · CC BY 2.0 · Wikimedia Commons

Rough Earth Snake

Virginia striatula

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
In western portions of this species’ range (Texas) this species can be abundant, but in our region it is fairly uncommon. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: This species can be found throughout most of the southern Coastal Plain of the United States but is absent from the Mississippi River Valley, peninsular Florida and southwestern Georgia. (University of Georgia Savannah River Ecology Laboratory)

Rough Green Snake
Photo: Joshua Liverman · CC BY 4.0 · iNaturalist

Rough Green Snake

Opheodrys aestivus

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Size
Most adults are 14 to 33 inches long (Florida Museum), with a record of 46 inches. Maryland, Missouri, Tennessee and Arkansas give 22 to 32 inches. The tail is long and thin, about a third or more of the total length.
How to recognize it
  • Keeled (ridged) scales in 17 rows, which feel rough; the smooth green snake has smooth scales.
  • Extremely long, thin tail and round pupils.
  • Large eyes.
Where in South Carolina
They are common in the Piedmont and Coastal Plain but are absent from the higher elevations of the mountains. University of Georgia Savannah River Ecology Laboratory
39 records by month.
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: Rough Green Snakes are found throughout the Mid-Atlantic and Southeast from the Pine Barrens of New Jersey west to central Texas and south throughout Florida. (University of Georgia Savannah River Ecology Laboratory)

Full Rough Green Snake guide

Scarlet Kingsnake
Photo: MH Herpetology · CC BY-SA 4.0 · Wikimedia Commons · resized

Scarlet Kingsnake

Lampropeltis elapsoides

Non-venomous per SCDNR and South Carolina Wildlife Magazine

Size
Most adults about 14-20 inches (36-51 cm); record 29.1 inches (Florida Museum). Louisiana gives 12 to 24 inches; NC State Extension says up to 27 inches.
How to recognize it
  • Red and yellow rings are separated by black rings, so red and yellow do not touch.
  • Small head with a red snout.
  • Rings continue across the belly (Louisiana).
Where in South Carolina
They are widespread in Georgia and South Carolina but are most frequently encountered in the Coastal Plain. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “The non-venomous scarlet kingsnake and scarlet snake both possess patterns similar to the coral snake.” (SCDNR and South Carolina Wildlife Magazine)

Full Scarlet Kingsnake guide

Scarlet Snake
Photo: Stanton · CC BY-SA 4.0 · Wikimedia Commons · resized

Scarlet Snake

Cemophora coccinea

Non-venomous per SCDNR and South Carolina Wildlife Magazine

What the sources say

Venom: “The non-venomous scarlet kingsnake and scarlet snake both possess patterns similar to the coral snake.” (SCDNR and South Carolina Wildlife Magazine)

Habitat: Within the northern scarlet snake range, they are most often found in wooded areas, including sandy uplands, pinewoods, and mixed forests, but they also occur in fields, grassy ecotones, and along roadsides near wooded habitat. (University of Georgia Savannah River Ecology Laboratory)

Smooth Earth Snake
Photo: Stanton · CC BY-SA 4.0 · Wikimedia Commons · resized

Smooth Earth Snake

Virginia valeriae

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
This species can be found in scattered locations throughout the eastern and central U.S. and throughout Georgia and South Carolina. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: Its geographic range includes much of the Coastal Plain, Piedmont, and mountains, from southern Virginia to Louisiana, but the species is absent from peninsular Florida and most of the region of either side of the Mississippi River. (University of Georgia Savannah River Ecology Laboratory)

No confirmed photo of Southeastern Crowned Snake

Southeastern Crowned Snake

Tantilla coronata

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
Southeastern crowned snakes can be found throughout the Coastal Plain from the Florida panhandle north, but are absent from southern Georgia. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “It is rear-fanged but its tiny size make it no danger to humans or their pets.” (University of Georgia Savannah River Ecology Laboratory)

Habitat: They can be found in a variety of habitats, but are normally collected under rocks, logs, leaf litter, and other ground debris. (University of Georgia Savannah River Ecology Laboratory)

Southern Hognose Snake
Photo: Court Harding · CC BY 4.0 · iNaturalist

Southern Hognose Snake

Heterodon simus

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Conservation
State: Non-Game Species in Need of Management (SCDNR FAQ)
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: They can be found in upland sandhills, xeric pine-oak with wiregrass, and coastal dune habitats. (University of Georgia Savannah River Ecology Laboratory)

Worm Snake
Photo: Judy Gallagher · CC BY 2.0 · Wikimedia Commons

Worm Snake

Carphophis amoenus

Non-venomous per University of Georgia Savannah River Ecology Laboratory

Where in South Carolina
In Georgia and South Carolina, they are common in the Piedmont, Appalachians, and much of the Coastal Plain. University of Georgia Savannah River Ecology Laboratory
What the sources say

Venom: “Family Colubridae (Non-venomous Snakes)” (University of Georgia Savannah River Ecology Laboratory)

Habitat: The Eastern Wormsnake is distributed widely across the eastern United States, from southern Massachusetts south to Georgia, and west to the Mississippi River. (University of Georgia Savannah River Ecology Laboratory)

Snakes people confuse

Black Racer or Cottonmouth?

Black Racer
Photo: Everglades NPS from Homestead, Florida, United States · Public domain · Wikimedia Commons

Black Racer Non-venomous

Cottonmouth
Photo: Geoff Gallice from Gainesville · CC BY 2.0 · Wikimedia Commons

Cottonmouth Venomous

NPS says black racers can resemble the venomous water moccasin and advises leaving alone any snake you cannot identify. It gives no safe field mark, and none is offered here.

Black Racer or Timber rattlesnake?

Black Racer
Photo: Everglades NPS from Homestead, Florida, United States · Public domain · Wikimedia Commons

Black Racer Non-venomous

Timber rattlesnake
Photo: NPS Photo · Public domain · Wikimedia Commons

Timber rattlesnake Venomous

NH Fish and Game: the rattlesnake has a blunt rattle, is thicker, and has keeled scales and a triangular head.

Black Racer or Pygmy rattlesnake?

Black Racer
Photo: Everglades NPS from Homestead, Florida, United States · Public domain · Wikimedia Commons

Black Racer Non-venomous

Pygmy rattlesnake
Photo: Jolieokefenokee · CC BY 4.0 · Wikimedia Commons

Pygmy rattlesnake Venomous

The Florida Museum lists it as a comparison species and marks it venomous; the guide compares photos and gives no text field mark.

Black Racer or Eastern coachwhip (black variant)?

Black Racer
Photo: Everglades NPS from Homestead, Florida, United States · Public domain · Wikimedia Commons

Black Racer Non-venomous

Eastern coachwhip (black variant)
Photo: NOAA · Public domain · Wikimedia Commons

Eastern coachwhip (black variant) Non-venomous

Distinctly lighter or reddish toward the rear of the body.

Black Racer or Northern water snake?

Black Racer
Photo: Everglades NPS from Homestead, Florida, United States · Public domain · Wikimedia Commons

Black Racer Non-venomous

Northern water snake
Photo: U.S. Fish and Wildlife Service - Midwest Region · Public domain · Wikimedia Commons

Northern water snake Non-venomous

NH lists it as commonly confused; it gives no separating feature.

Brown Snake (Dekay's Brownsnake) or Copperhead?

Brown Snake (Dekay's Brownsnake)
Photo: Judy Gallagher · CC BY 2.0 · Wikimedia Commons

Brown Snake (Dekay's Brownsnake) Non-venomous

Copperhead
Photo: USFWSmidwest · Public domain · Wikimedia Commons

Copperhead Venomous

Copperheads have bold hourglass-shaped bands, and young copperheads under about 12 inches have bright yellow tail tips. Brown snakes have small spots, not hourglass bands. University of Georgia Savannah River Ecology Laboratory

Photos show typical adults; individuals vary. Never get close to compare.

When snakes are active in South Carolina

Records of snakes in South Carolina peak in March to June. They show when people record snakes, not how many there are (about month bars).

882 records of snakes in South Carolina by month (GBIF, CC0 and CC BY records).

If you are bitten or stung

Call 911 or Poison Help at 1-800-222-1222 right away. Poison Help connects you to your local poison center, any time of day.

Official advice from SCDNR and South Carolina Wildlife Magazine, University of Georgia Savannah River Ecology Laboratory, posted by SCDNR and South Carolina Department of Natural Resources:

How to report

Alligator and other wildlife emergencies, injured manatees: SCDNR Operation Game Thief 1-800-922-5431. Herp questions: [email protected], (843) 527-8448. SCDNR does not remove nuisance snakes; it keeps a list of wildlife removal specialists. South Carolina Department of Natural Resources

Common questions

What official sources say

Are there copperheads in South Carolina?

Yes. SCDNR calls the copperhead the most common venomous snake in the state, found throughout. SCDNR and South Carolina Wildlife Magazine

“The copperhead is South Carolina’s most common venomous snake.”

Are there cottonmouths in South Carolina?

Yes. Sandhills and coastal plain; not the piedmont or mountains. South Carolina Department of Natural Resources

“In South Carolina, cottonmouths typically live in the sandhills and coastal plain regions, but do not enter the piedmont nor mountain regions of the state.”

About this list

The species list comes from Snakes of South Carolina and Georgia (University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information), undated web page; retrieved 2026-11-03). 39 more entries come from other official sources named on each card.

Venom labels come only from official sources and link to them; "Not stated" never means harmless. How labels work.

Want a paper copy? Print the South Carolina snakes ID chart.

Sources

  1. Reptiles and Amphibians of SC. South Carolina Department of Natural Resources. page footer 2020; checked November 3, 2026.
  2. Snakes of South Carolina and Georgia. University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
    Quoted passages (1)
    “Family Colubridae (Non-venomous Snakes)”
  3. Common Snakes in South Carolina. South Carolina Department of Natural Resources. page footer 2024; checked November 3, 2026.
    Quoted passages (1)
    “There are 38 snake species in South Carolina, only six of which are venomous.”
  4. Banded Watersnake (Nerodia fasciata). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  5. Venomous Snakes of South Carolina (poster). SCDNR and South Carolina Wildlife Magazine. SCDNR 03CE4028 3/03; checked November 3, 2026.
    Quoted passages (6)
    “The banded water snake and brown water snake are large-bodied, non-venomous water snakes that are commonly mistaken for the cottonmouth.”
    “…non-venomous snake that may be confused with the copperhead.”
    “The pine snake is a large, blotched non-venomous snake that can be mistaken for a rattlesnake.”
    “The non-venomous scarlet kingsnake and scarlet snake both possess patterns similar to the coral snake.”
    “It is best to leave all snakes alone, if you don’t know how to identify them, and to avoid trying to kill venomous snakes.”
    “The copperhead is South Carolina’s most common venomous snake.”
  6. Black Racer (Coluber constrictor). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  7. Black Swamp Snake (Seminatrix pygaea). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  8. Brown Snake (Storeria dekayi). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
    Quoted passages (2)
    “Copperheads have prominent hourglass-shaped bands and have bright yellow tail tips when less than 12 in long.”
    “They can be distinguished from redbellied snakes (Storeria occipitomaculata) by their lack of red underside”
  9. Brown Watersnake (Nerodia taxispilota). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  10. Frequently Asked Questions about Reptile and Amphibians. South Carolina Department of Natural Resources. page footer 2020; checked November 3, 2026.
    Quoted passages (1)
    “The six venomous species are the coral snake, pigmy rattlesnake, cottonmouth (aka water moccasin), copperhead, canebrake or timber rattlesnake, and the eastern diamondback rattlesnake.”
  11. Coachwhip (Masticophis flagellum). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  12. Corn Snake (Elaphe [Pantherophis] guttatus). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  13. Upstate Snakes: Some Frequently Asked Questions. South Carolina Department of Natural Resources. page footer 2020; checked November 3, 2026.
    Quoted passages (2)
    “The best advice is to try to remain calm, and get to a hospital as soon as possible. Call 911 if that is appropriate”
    “In South Carolina, cottonmouths typically live in the sandhills and coastal plain regions, but do not enter the piedmont nor mountain regions of the state.”
  14. Eastern Garter Snake (Thamnophis sirtalis). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  15. Eastern Hognose Snake (Heterodon platirhinos). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  16. Eastern Kingsnake (Lampropeltis getula). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  17. Eastern Ribbon Snake (Thamnophis sauritus). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  18. Glossy Crayfish Snake (Regina rigida). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  19. Green Watersnake (Nerodia floridana). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  20. Mole Kingsnake (Lampropeltis calligaster). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  21. Mud Snake (Farancia abacura). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  22. Northern Watersnake (Nerodia sipedon). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  23. Pine Snake (Pituophis melanoleucus). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
    Quoted passages (1)
    “They have four prefrontal scales, unlike most other colubrids, which have two.”
  24. Pine Woods Snake (Rhadinaea flavilata). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
    Quoted passages (1)
    “Although not dangerous to humans, this species has toxic saliva that it uses to subdue its prey.”
  25. Queen Snake (Regina septemvittata). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  26. Rainbow Snake (Farancia erytrogramma). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  27. Rat Snake (Pantherophis obsoletus alleghaniensis). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  28. Red-bellied Watersnake (Nerodia erythrogaster). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  29. Redbellied Snake (Storeria occipitomaculata). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
    Quoted passages (1)
    “This species can easily be distinguished from all other small woodland snakes by their unmarked bright orange to red underside.”
  30. Ringneck Snake (Diadophis punctatus). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
    Quoted passages (2)
    “They possess mild venom in their saliva and enlarged rear teeth that help subdue prey, but they are harmless to humans.”
    “The head is small and only slightly wider than the neck, and the scales are smooth, giving a shiny appearance.”
  31. Rough Earth Snake (Virginia striatula). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  32. Rough Green Snake (Opheodrys aestivus). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
    Quoted passages (1)
    “Rough Green Snakes have keeled scales and large eyes.”
  33. Scarlet Kingsnake (Lampropeltis elapsoides). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  34. Scarlet Snake (Cemophora coccinea). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  35. Smooth Earth Snake (Virginia valeriae). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  36. Southeastern Crowned Snake (Tantilla coronata). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
    Quoted passages (1)
    “It is rear-fanged but its tiny size make it no danger to humans or their pets.”
  37. Southern Hognose Snake (Heterodon simus). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  38. Worm Snake (Carphophis amoenus). University of Georgia Savannah River Ecology Laboratory (linked by SCDNR as its species information). undated page; checked November 3, 2026.
  39. Assistance With Identification of Snakes (Table 1. Snake Species in Upstate South Carolina). SCDNR. page footer 2020; checked November 3, 2026.
  40. Our Upstate Snakes: The Red Snakes. SCDNR. page footer 2020; checked November 3, 2026.
  41. Snakebite Fact Sheet. University of Georgia Savannah River Ecology Laboratory, posted by SCDNR. undated page; checked November 3, 2026.
    Quoted passages (1)
    “If you see an unknown species of snake, it is best to treat it as venomous and leave it alone if at all possible.”
  42. Upstate Snakes: General Information. South Carolina Department of Natural Resources. page footer 2020; checked November 3, 2026.
    Quoted passages (1)
    “…most active in the warmer months (April thru October)”
  43. American Alligator. South Carolina Department of Natural Resources. undated page; checked November 3, 2026.
    Quoted passages (1)
    “For alligator and other wildlife emergencies, contact Operation Game Thief: 1-800-922-5431”
  44. GBIF.org occurrence records, human observations licensed CC0 1.0 or CC BY 4.0 only, accessed November 3, 2026. The datasets behind these counts are listed on our Sources page.