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Colubridae

Rainforest Cat-eyed Snake

Harmless

Leptodeira frenata

Rainforest Cat-eyed Snake
Leptodeira frenata, © Iain Robson
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6 photographs of the Rainforest Cat-eyed Snake. © Iain Robson.

The Rainforest Cat-eyed Snake (Leptodeira frenata) is a rear-fanged, mildly venomous snake in the Colubridae family, recorded in 3 countries.

Family
Colubridae

About the Rainforest Cat-eyed Snake

Leptodeira frenata, also known commonly as the Mayan cat-eyed snake and the rainforest cat-eyed snake, is a species of mildly venomous snake in the subfamily Dipsadinae of the family Colubridae. The species is native to Mexico, Guatemala, and Belize, and there are three recognized subspecies.

Geographic range

Leptodeira frenata is found on the Atlantic slope from neotropical Mexico southward through Belize to northern Guatemala.

Habitat

The preferred natural habitat of Leptodeira frenata is forest, at altitudes of 150–450 m (490–1,480 ft).

Behavior

Leptodeira frenata is terrestrial and partly arboreal.

Venom

Leptodeira frenata is venomous. Bites to humans may cause intense pain, swelling, and bloody blisters.

Subspecies

The following three subspecies are recognized as being valid, including the nominotypical subspecies.

Leptodeira frenata frenata (Cope, 1886)

Leptodeira frenata malleisi Dunn & Stuart, 1935

Leptodeira frenata yucatanensis (Cope, 1887)

Nota bene: A trinomial authority in parentheses indicates that the subspecies was originally described in a genus other than Leptodeira.

Etymology

The subspecific name, malleisi, is in honor of ornithologist Harry Malleis (died 1931).

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Rainforest Cat-eyed Snake

Is the Rainforest Cat-eyed Snake venomous?
The Rainforest Cat-eyed Snake (Leptodeira frenata) is rear-fanged and only mildly venomous. It is not considered dangerous to humans (its venom is weak and its fangs sit at the back of the mouth) but a bite can cause local swelling or irritation, so it should not be handled.
Is the Rainforest Cat-eyed Snake poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Rainforest Cat-eyed Snake is neither poisonous nor venomous.
Is the Rainforest Cat-eyed Snake dangerous?
The Rainforest Cat-eyed Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
Where does the Rainforest Cat-eyed Snake live?
The Rainforest Cat-eyed Snake has verified records in 3 countries, including Mexico, Belize, Guatemala. See the distribution section below for its full range.
Why is it called the Rainforest Cat-eyed Snake?
The subspecific name, malleisi, is in honor of ornithologist Harry Malleis (died 1931).

Where it is found

More Colubridae snakes

Classification

How scientists group this snake, from the broadest category down to the exact species. Each step narrows to its closest relatives.

OrderThe broad group of scaled reptiles: all snakes and lizards
Squamata
FamilyA group of related snakes that share key traits
Colubridae
GenusA close-knit group of very similar species
Leptodeira
SpeciesThis exact snake, named in the two-part scientific name
Leptodeira frenata

Keep learning

Distribution from GBIF & iNaturalist. Venom status per CDC. Background: Wikipedia. Informational only. Never handle a snake to identify it.