Striped Crayfish Snake

Striped Crayfish Snake

Liodytes alleni

Silhouette: Alex Slavenko · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered Endemic
Daily sighting probability ~10% · With luck
at Everglades National Park
48 Verified sightings at Everglades National Park From 2019 to 2026
85 Verified sightings across all 2 parks From 2019 to 2026
July Best month highest sighting rate
☀️🌙 Day & Night When it's spotted Active throughout day and night

About the Striped Crayfish Snake

The striped crayfish snake (Liodytes alleni) is a species of semiaquatic North American snake in the family Colubridae. The species derives its common name from its principal prey, crayfish. This snake is also called Allen's snake, the striped swamp snake, the striped swampsnake, or simply the swamp snake. It is endemic to peninsular Florida. Although rarely seen due to its secretive behavior, it can be found in large numbers in wet areas, with densities approaching 1,300 snakes per hectare (525 snakes per acre).

The specific name, alleni, is in honor of American zoologist Joel Asaph Allen, who collected the type specimen. The striped crayfish snake is of "small medium" size, 33–50 centimetres (13–20 in) in total length (including tail), with a heavy body. The stripes which contribute to its common name are indistinct and located on the dark dorsal side. The ventral side is yellow with some dark spots. The dorsal scales, which are arranged in 19 rows at midbody, are smooth on the body, with some keeled scales in the anal region. There is a clear sexual dimorphism with the females being the larger sex. The striped crayfish snake is very similar to the... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Big Cypress National Preserve 🇺🇸 United States
~20%
2 Everglades National Park 🇺🇸 United States
~10%

Quick answers

What are the chances of seeing a Striped Crayfish Snake in Everglades National Park?

About 10% of wildlife watchers report a Striped Crayfish Snake sighting in Everglades National Park, based on 48 verified sightings from GBIF citizen-science data.

When is the best time to see Striped Crayfish Snake in Everglades National Park?

July has the highest sighting rate for Striped Crayfish Snake in Everglades National Park in our monthly data.

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