96 Snakes Found In Texas (14 are Venomous!)

Texas has the most snakes of any state. That’s really not a big surprise considering that Texas is one of the biggest states. Texas also has almost every type of geography from dry desert to coastal waters which means that the state has habitats for a huge variety of snakes.  Texas also has a huge number of venomous snakes, more than almost all other states. All together we’ve compiled 96 different types of snakes (species and sub-species) of snakes found in Texas. That is a lot of snakes! But to simplify things, we’ll start by listing some of the most common types of snakes that you will find in Texas:

Common Snakes Found In Texas

Most of the snakes that live in Texas are non-venomous, but there are a lot of venomous snakes in Texas. When you’re in Texas you are almost always near some type of snake because the state has a huge population of snakes. So to protect yourself from snake bites you should always stay away from snakes whenever possible. Don’t try to handle any of the snakes that you see. Even snakes that aren’t venomous can bite if they are provoked or scared. Some of the common types of non-venomous snakes in Texas are:

Texas Garter Snake

Texas Garter Snake
Texas garter snakes have a right stripe that runs the length of their body and yellow stripes on either side.

Image CreditCathleen Wake Gorbatenko/Shutterstock.com

Scientific Name Range Size
Thamnophis sirtalis annectens Most common in prairies and lakes region Up to 2 feet 4 inches long

The Texas garter snake is a subspecies of garter snake. Garter snakes are the most common snakes around the country and there are many different types of them. The Texas garter snake looks similar to other garter snakes, it’s usually just one to two feet long and very thin. It has an olive or brown body and two thin yellow stripes all along the body. What makes the Texas garter snake different is that in addition to the two yellow stripes it also has a thin red stripe that runs the length of its body. These snakes prefer wet sandy soil or habitats that have a lot of vegetation so in Texas you will only find them near the coast.

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Western Hognose Snake

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Western hognose snakes have an an upturned scale at the tip of their nose that helps them dig through sand and loose soil.

Image CreditBryn Thomas/Shutterstock.com

Scientific Name Range Size
Heterodon nasicus More common in West Texas Up to 3 feet long

The western hognose snake also likes sandy soil, but this snake prefers dry sandy soil like the kind that is in semi-desert areas. There is a lot of desert and semi-desert in Texas and you can find western hognose snakes across much of Texas because of that, though they’re less common in the eastern part of the state. Western hognose snakes are not usually longer than two feet, although females can reach a maximum of three feet long. They have brown, tan, or olive bodies and darker marking patches on their backs. What really sets these snakes apart is their nose. You can identify a Hognose snake by the upturned flat nose. That nose is what makes it easy for these snakes to burrow into the sand.

Milk Snake

Best Pet Snakes
Louisiana Milk-snake found after a fall cold front blew through southeast Texas. The common name “milk snake” originated from the false belief that these snakes milked cows.

Image CreditTheTexasNaturalist/Shutterstock.com

Scientific Name Range Size
Lampropeltis triangulum 4 subspecies that can be found across much of the state Up to 3 feet long

The milk snake is an imposter that looks like a venomous coral snake. But the milk snake is not venomous. There are four different types of snakes in Texas that mimic the look of a Coral snake to try and fool predators. Milk snakes are about a foot and a half to two feet long and they have wide bands of bright red all down the length of their bodies. It’s the color around the bands that will tell you whether the snake is a milk snake or a venomous coral snake. If the thin bands next to the red bands are black it’s a milk snake. If those thin bands are yellow it’s a Coral snake and you need to be very careful around that snake.

There are four subspecies of milk snakes in Texas (New Mexico, Louisiana, Central Plains, and Mexican) that are all similar in appearance but have subtle differences. The milk snake also looks very similar to the scarlet kingsnake, another nonvenomous snake species that mimics the appearance of a coral snake.


Bullsnake - Coiled
Bull Snake

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Scientific Name Range Size
Pituophis catenifer sayi Western 2/3 of the state, not found near the Louisiana border Up to 8 feet long

The bullsnake is one of the largest non-venomous snakes in the country. Some can be almost eight feet long. Bullsnakes have a color pattern that is very similar to the color pattern of a venomous diamondback rattlesanake. Sometimes if they are threatened or cornered bullsnakes will wave their tails and try to rattle to make predators think they are the venomous diamondback, but really they are not venomous. However, bullsnakes will still bite or act aggressively at times so it’s always smart to approach them with caution or leave them alone entirely.

You may also hear bullsnakes called “gopher snakes.” They’re a subspecies of the gopher snake, so the names are used interchangeably.

Yellow-Bellied Racer Snake

As juveniles yellow-belly racers have blotches, but when they age they turn olive-green.

Image CreditMatt Jeppson/Shutterstock.com

Scientific Name Range Size
Coluber constrictor flaviventris Found most commonly in East Texas but also can be found along the Rio Grande near Big Bend Up to 5 feet long

As you might have guessed from the name, a yellow-bellied racer snake is famous for its yellow belly. However, the appearance of the snake changes radically as they age. As juveniles (above picture), they have blotches across their body. Once they’ve aged to adulthood, they take on an olive-green color.

These snakes are about five feet long usually and they are very thin. They can be extremely fast and sometimes move at speeds of 3-4 miles per hour. Yellow-bellied racer snakes also are a bit aggressive and they will bite. These snakes are not venomous, but any snake bite can be painful and require medical attention so it’s always best to be cautious if you run across a Yellow-Bellied Racer snake.

Water Snakes in Texas

Texas is home to many lakes, especially in its eastern half. With rivers, lakes, and marshland abundant across the state, it’s no surprise that Texas has its fair share of water snakes. A water snake is a snake that belongs to the genus Nerodia, there are 10 distinct species in this genus, and seven of them live in Texas. Water snake species in Texas include:

  • Salt Marsh Snake
  • Mississippi Green Water Snake
  • Plain-bellied Water Snake
  • Broad-banded Water Snake
  • Brazos Water Snake
  • Concho Water Snake
  • Diamondback Water Snake

It’s important to note that none of these water snakes are venomous. If you’re in the water and see a venomous snake it’s like a cottonmouth, which we’ll explore in more detail in our venomous snake section. But first, let’s take a look at the diamondback water snake, a species that’s common throughout much of Texas.

Diamondback Water Snake

Diamondback Water Snake
Diamondback water snakes will congregate in groups along the water.

Image CreditLaurie L. Snidow/Shutterstock.com

Scientific Name Range Size
Nerodia rhombifer Most of the state aside from arid counties near the border with New Mexico Up to 6 feet long

Diamondback water snakes are a common site next to many slow-moving bodies of water across the state. The snakes have reached a maximum size of almost 6 feet, but are more commonly 3 to 4 feet long. The snake prefers to hunt by suspending over water on either rocks or branches and watch for fish beneath the surface. While diamondback snakes are not aggressive – they’d prefer to flee into the water – if cornered their bites can be painful. The snake can have a similar coloration to cottonmouth snakes but is nonvenomous.

Venomous Snakes In Texas

There are a lot of venomous snakes in Texas, but most of them are rattlesnakes. In addition to several types of rattlesnakes, the other venomous snakes in Texas are the copperhead snake, coral snake, and the western cottonmouth snake. Let’s take an examination of each type of venomous snake beginning with rattlesnakes.

Rattlesnakes in Texas

Mojave Rattlesnake
The Mojave rattlesnake typically grows to between 3.3 ft and 4.5 ft in length.

Image CreditCreeping Things/Shutterstock.com

There are more than 9 different kinds of rattlesnakes in Texas. Even though that might make it seem like you have a pretty good chance of getting bitten by a rattlesnake in Texas there are actually relatively few rattlesnake bites each year. According to the Texas Parks and Wildlife Department, there are about 7000 venomous snake bites in the United States each year. On average, those bites lead to just 5 fatalities.

The biggest thing you need to remember is that any rattlesnake is going to make that distinctive rattle sound with its tail. If you hear that rattle, freeze in your tracks. Back up slowly. Don’t make any sudden movements and get out of that area as quickly as you can. That is the best way to prevent a rattlesnake bite. The types of rattlesnakes in Texas are:

Rattlesnakes are not the only venomous snakes in Texas though.


Weakest animals copperhead snake
There are two species of copperheads in Texas
Scientific Name Range Size
Agkistrodon contortrix Not found in the Panhandle Plains and South Texas Plains Up to 4 feet long

Copperhead snakes have such good camouflage that when you’re in Texas plains or semi-desert area you could look right at a copperhead snake and not even see it. You will most likely hear it before you see it. These snakes love the sandy soil of the Texas semi-desert and the Texas heat. Be very careful where you step or where your horse steps if you are walking or riding in the semi-desert or desert because there could very well be a copperhead nearby.

There are two species of copperhead in the state. The eastern copperhead (Agkistrodon contortrix) and the brown-banded copperhead (Agkistrodon laticinctus). The brown-banded copperhead is sometimes known as the Texas copperhead is more expansive across the state, being found all the way into the Big Bend area of West Texas. In comparison, eastern copperheads only live in the eastern 1/3 of the state. It’s important to note that while copperheads are not aggressive, due to their incredible camouflage they’re often stepped on or interfered with more than other venomous snakes. For that reason, there are more venomous bites from copperheads than any other snake in the United States.

Coral Snake

Coral snakes are brightly colored and have distinctive bands

Image CreditiStock.com/JasonOndreicka

Scientific Name Range Size
Micrurus tener Not found in the high plains and mountainous areas surrounding El Paso Up to 4 feet long

Coral snakes have extremely bright colors and they usually stand out. There are several snakes in Texas that mimic the colors of a coral snake but a true Coral snake has wide red bands that are bordered by thin yellow bands. Look for the yellow bands and if you see them back away as slowly as you can to avoid provoking the snake.

While coral snakes can grow up to 4 feet in length, most only reach about half that size. Rather than striking their victims with fangs, they release their venom by chewing on their prey. While dangerous, fatalities from this species of snake are extremely uncommon.

Western Cottonmouth

Cottonmouth Snake
Cottonmouth snake

Image CreditJay Ondreicka/Shutterstock.com

Scientific Name Range Size
Agkistrodon piscivorus Most commonly found in the eastern half of the state near water Up to 5 feet long

Cottonmouth snakes are also sometimes called water moccasins. They are aquatic and stay near or in the water so you will only find them near lakes and rivers or in some areas of the coast. Cottonmouth snakes are long and usually dark olive green or black in color. The primary way to identify a cottonmouth snake is to look at the mouth. If there is a patch of white under the chin or on the sides of the mouth it’s a cottonmouth snake. In addition, cottonmouths have arrow-shaped heads and pits under their eyes that snakes similar in appearance (diamondback water snakes) will lack.

While these snakes can grow up to five feet, generally they’re closer to two to three feet. When threatened they will often open their jaws and expose a very white mouth, hence the name “cottonmouth.”

A Complete List Of 96 Snakes In Texas

The number of snakes in Texas will forever be changing. For one, snakes move into new territories and are also extirpated from the state. Also, the process of determining which snakes are their own distinct species versus being “merely” a subspecies of another snake is a field that is the subject of considerable debate and constantly changes.

However, one thing is clear: Texas has a greater variety of snakes than any other state in the Union. Below, we’ve compiled 96 different snakes that can be found in Texas. 82 are not venomous while 14 of these snakes are and deserve additional attention. For each snake if they’re a subspecies we’ve batched them underneath the species they belong to.

82 Nonvenomous Snakes in Texas

  • Baird’s Rat Snake
  • Big Bend Blackhead Snake
  • Big Bend Patchnose Snake
  • Black-striped Snake
  • Blackneck Garter Snake
  • Blind Snakes
    • Plains blind snake
    • Trans-Pecos blink snake
    • New Mexico blind snake
  • Brazos Water Snake
  • Broad-Banded Water Snkae
  • Bullsnake (Gopher Snake)
  • Checkered Garter Snake
  • Coachwhip Snake
    • Eastern coachwhip snake
    • Western coachwhip snake
  • Common Garter Snake
    • Texas Garter Snake
    • New Mexico Garter Snake
  • Concho Water Snake
  • Crayfish Snake
  • DeKay’s Brown Snake
    • Marsh Brown Snake
    • Texas Brown Snake
  • Desert Kingsnake
  • Diamondback Water Snake
  • Eastern Hognose Snake
  • Flathead Snake
  • Glossy Snakes
    • Kansas glossy snake
    • Texas Glossy snake
    • Painted desert glossy snake
  • Graham’s Crayfish Snake
  • Gray-banded Kingsnake
  • Ground Snake
  • Indigo Snake
  • Long-nosed Snake
  • Louisiana Pine Snake
  • Mexican Blackhead Snake
  • Mexican Hognose Snake
  • Mexican Hooknose Snake
  • Milk Snake
    • Central Plains milk snake
    • Mexican milk snake
    • Louisiana milk snake
    • New Mexico milk snake
  • Mississippi Green Water Snake
  • Mud Snake
  • Northern Cat-eyed Snake
  • Plain-bellied Water Snake
  • Plains Blackneck Snake
  • Plains Garter Snake
  • Prairie Kingsnake
  • Racers
  • Rat Snakes
  • Redbelly Snake
  • Ring-necked Snake
    • Regal ring-necked snake
    • Mississippi ring-necked sanke
    • Prairie ring-necked snake
  • Rough Green Snake
  • Salt Marsh Snake
  • Scarlet Snakes
    • Texas scarlet snake
    • Northern scarlet snake
  • Schott’s Whip Snake
  • Slowinki’s Corn Snake
  • Smooth Earth Snake
  • Smooth Green Snake
  • Southwestern Blackhead Snake
  • Speckled Kingsnake
  • Speckled Racer
  • Sriped Whip Snake
  • Texas Lyre Snake
  • Texas Lined Snake
  • Texas Night Snake
  • Texas Patchnose Snake
  • Trans-Pecos Rat Snake
  • Western Hognose Snake
  • Western Hooknose Snake
  • Western Rat Snake
  • Western Ribbon Snake
    • Arid land ribbon snake
    • Gulf Coast ribbon snake
    • Redstripe Ribbon Snake
  • Western Worm Snake

14 Venomous Snakes in Texas

  • Brown-banded Copperhead
  • Cottonmouth
  • Eastern Copperhead
  • Massasauga
    • Desert massasauga
    • Western Massasauga
  • Mojave Rattlesnake
  • Prairie Rattlesnake
  • Rock Rattlesnake
    • Banded rock rattlesnake
    • Motted rock rattlesnake
  • Texas Coral Snake
  • Timber Rattlesnake
  • Western Diamondback Rattlesnake
  • Western Pygmy Rattlesnake

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