Snake FinderField Guide · Worldwide

Colubridae

Peru Slender Snake

Harmless

Tachymenis peruviana

Peru Slender Snake
Tachymenis peruviana, © Maria Luisa Bravo Alarcon
Peru Slender SnakePeru Slender SnakePeru Slender SnakePeru Slender SnakePeru Slender Snake

6 photographs of the Peru Slender Snake. © Maria Luisa Bravo Alarcon.

The Peru Slender Snake (Tachymenis peruviana) is a rear-fanged, mildly venomous snake in the Colubridae family, recorded in 6 countries.

Family
Colubridae

About the Peru Slender Snake

Tachymenis peruviana, also known commonly as the Peru slender snake, is a species of venomous snake in the subfamily Dipsadinae of the family Colubridae. The species is native to South America.

Geographic distribution

Tachymenis peruviana is found in Argentina, Bolivia, Chile, and Peru.

Habitat

Tachymenis peruviana is found in a variety of natural and artificial habitats, including forest, shrubland, grassland, pasture, cultivated lands, villages and cities, at elevations of 900–4,580 m (2,950–15,030 ft).

Behavior

Tachymenis peruviana is terrestrial.

Diet

Tachymenis peruviana preys predominately upon frogs and lizards.

Reproduction

Tachymenis peruviana is ovoviviparous.

Venom

Tachymenis peruviana possesses a powerful venom which is capable of causing serious damage or death to humans.

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Peru Slender Snake

Is the Peru Slender Snake venomous?
The Peru Slender Snake (Tachymenis peruviana) 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 Peru Slender Snake poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Peru Slender Snake is neither poisonous nor venomous.
Is the Peru Slender Snake dangerous?
The Peru Slender Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
Where does the Peru Slender Snake live?
The Peru Slender Snake has verified records in 6 countries, including Peru, Chile, Argentina. See the distribution section below for its full range.
What does the Peru Slender Snake eat?
Tachymenis peruviana preys predominately upon frogs and lizards.

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
Tachymenis
SpeciesThis exact snake, named in the two-part scientific name
Tachymenis peruviana

Keep learning

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