Colubridae
Mousehole Snake
HarmlessPhilodryas trilineata






6 photographs of the Mousehole Snake. © Agustín Zarco.
The Mousehole Snake (Philodryas trilineata) is a rear-fanged, mildly venomous snake in the Colubridae family, recorded in 1 country.
- Family
- Colubridae
About the Mousehole Snake
Philodryas trilineata is a species of snake of the family Colubridae.
Geographic range
The snake is found in Argentina.
Adapted from Wikipedia, available under CC BY-SA.
Frequently asked: Mousehole Snake
- Is the Mousehole Snake venomous?
- The Mousehole Snake (Philodryas trilineata) 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 Mousehole Snake poisonous?
- Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Mousehole Snake is neither poisonous nor venomous.
- Is the Mousehole Snake dangerous?
- The Mousehole Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
- Where does the Mousehole Snake live?
- The Mousehole Snake has verified records in 1 country, including Argentina. See the distribution section below for its full range.
Where it is found
More Colubridae snakes
Patagonian RacerPhilodryas patagoniensis
Chilean Green RacerPhilodryas chamissonis
Lichtenstein's Green RacerPhilodryas olfersii
Paraguay Green RacerPhilodryas nattereri
Brazilian Green RacerPhilodryas aestiva
Günther's Green RacerPhilodryas psammophidea
Scorpion SnakePhilodryas agassizii
Jan's Green RacerPhilodryas varia
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
- Philodryas
- SpeciesThis exact snake, named in the two-part scientific name
- Philodryas trilineata
Keep learning
- What to Do If You Find a SnakeFound a snake at home or on a trail? Here is how to stay calm, give it space, identify it safely, and know when to call a professional.
- Venomous vs Nonvenomous: How to Tell the DifferenceThe folk rules for telling venomous snakes apart, where each one fails, and why location-based identification beats guessing by sight.
- What Is a Snake? Anatomy and the BasicsA clear overview of what makes a snake a snake: limbless body plan, anatomy, evolution from lizards, species diversity, and why they are ectothermic.
- How to Keep Snakes Out of Your Yard and HomeA practical guide to keeping snakes out of your yard and home using habitat changes that work, plus what to skip and what to do if one shows up.
Distribution from GBIF & iNaturalist. Venom status per CDC. Background: Wikipedia. Informational only. Never handle a snake to identify it.