Venomous Snakes in Florida

Venomous Snakes in Florida

Below you can find more information about the venomous snakes in Florida. You can learn about non-venomous snakes at a different page.

Rattlesnakes in Florida

Crotalus horridus atricaudatus

florida rattlesnake

Wiki Page

Average size: 36-60 inches; Record 74.5 inches. Young are 11-16
inches at birth.

Range: Found in only 8 or 9 counties in north Florida. From
Alachua and Dixie County west to Hamilton County and Suwannee

Diet: Mainly rodents and birds.

Status: Still common in some parts. Numbers have been declining
mainly because of habitat reduction and senseless killing.

This rattlesnake should be given a healthy respect and left alone.
The color pattern makes this snake very hard to see.

Crotalus adamanteus

Average size: 36-72 inches; Record 96 inches. Young are 12-14
inches at birth.

Range: Throughout Florida including the Keys.

Diet: Mainly rodents and birds.

Status: Their population is declining because of habitat reduction
along with the indiscriminate killing and commercial hunting for
their skins.

This is a large and dangerous rattlesnake that can strike up to 2/3
of its body length. If you encounter one, stay a healthy distance
from it.

Sistrurus miliarius barbouri

Average size: 12-24 inches; Record 31 inches. Young are 6-7 inches at

Range: Throughout Florida.

Diet: Mice, frogs, lizards and snakes.

Status: Common, found in lowland pinewoods, prairies, around lakes
and ponds, and near freshwater marshes and cypress swamps. I have
encountered the Pygmy Rattlesnake while out with my son on a photo
shoot more than any other snake except maybe the Black Racer.

This snake has a bad case of Napoleon syndrome, it’s very aggressive
and will hold its ground. Its bite is not usually life threatening,
however it can be very painful and tissue loss is common. A bite victim
should seek immediate care at a hospital or doctor with snake bite
treatment experience.

Florida Cottonmouth

Agkistrodon piscivorus conanti

Average size: 20-48 inches; Record 74.5 inches. Young are 10-13 inches at
birth. Click Here

Range: Throughout Florida.

Diet: Fish, frogs, lizards, snakes, small turtles, salamanders, baby
alligators, small mammals and birds.

Status: Fairly common but not often encountered. Found along most
waterways including lakes, ponds, rivers, streams, road side ditches, etc. I
think you get the picture, just about anywhere there is water.

Closely resembles the more common non-venomous Water Snakes. Most
people think that when they see a snake near a waterway they’re seeing a
Water Moccasin (another name for the Cottonmouth). However, in many
cases they’re seeing one of the more common water snake species.

Cottonmouth bites can be very dangerous. The victim must seek
immediate care at a hospital or doctor with snake bite treatment experience.

Florida Copperhead

Agkistrodon contortrix contortrix

Average size: 22-36 inches; Record 53 inches. Young are 8-10 inches
at birth.

Range: Mainly in the panhandle from the Apalachicola River and its
tributaries west. The Florida Museum of Natural History has collected
specimens from Jackson, Liberty, Gadsden, Calhoun, Gulf, and
Escambia counties. There are no confirmed records from outside these
counties in Florida.

Diet: Mice, small birds, frogs.

Status: Still common in some areas. Can be found in suburban areas
near people as well as swamps, river beds, etc.

A bite from a copperhead is not usually life-threatening unless it bites a
child or someone in poor health, however as with all venomous snake
bites the victim must seek immediate care at a hospital or doctor with
snake bite treatment experience.

Coral Snakes in Florida

Micrurus fulvius fulvius
Micrurus fulvius barbouri

In the family of Elapidae, along with the cobras, mambas, tiger snakes
and kraits.

Average size: 20-30 inches; Record 47.5 inches. Young are 7-9 inches
at birth.

Range: Throughout Florida.

Diet: Mainly reptiles. Lizards and snakes.

Status: Common in most areas of the state and in a variety of habitat,
but are very secretive and seldom seen. I’ve read that they are active
mainly during the day, especially in the early morning. Can be found
hiding under leaves, in logs, piles of debris, etc.

Similar species: The Scarlet Kingsnake and the Scarlet Snake. Please
note the 2 warning colors, RED and YELLOW, touch each other and
the nose is black on the Coral Snake.

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