Colubridae
Spot-bellied Sipo
HarmlessChironius maculoventris





5 photographs of the Spot-bellied Sipo. © Patricio Cowper Coles.
The Spot-bellied Sipo (Chironius maculoventris) is a non-venomous snake in the Colubridae family, recorded in 4 countries.
- Family
- Colubridae
About the Spot-bellied Sipo
Chironius maculoventris, the central sipo, is a species of nonvenomous snake in the family Colubridae. The species is found in Argentina, Paraguay, Bolivia, and Brazil.
Adapted from Wikipedia, available under CC BY-SA.
Frequently asked: Spot-bellied Sipo
- Is the Spot-bellied Sipo venomous?
- No. The Spot-bellied Sipo (Chironius maculoventris) is non-venomous and is not considered dangerous to humans. Like most snakes, it will retreat rather than bite when given the chance.
- Is the Spot-bellied Sipo poisonous?
- Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Spot-bellied Sipo is neither poisonous nor venomous.
- Is the Spot-bellied Sipo dangerous?
- The Spot-bellied Sipo is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
- Where does the Spot-bellied Sipo live?
- The Spot-bellied Sipo has verified records in 4 countries, including Argentina, Paraguay, Brazil. See the distribution section below for its full range.
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
- Chironius
- SpeciesThis exact snake, named in the two-part scientific name
- Chironius maculoventris
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.







