Boidae
Eastern Rainbow Boa
HarmlessEpicrates crassus



3 photographs of the Eastern Rainbow Boa. © Jonas Victor Morais Antunes.
The Eastern Rainbow Boa (Epicrates crassus) is a non-venomous snake in the Boidae family.
- Family
- Boidae
About the Eastern Rainbow Boa
The Paraguayan rainbow boa (Epicrates crassus) is a species of snake in the family Boidae. The species is found in Argentina, Brazil, and Paraguay.
Adapted from Wikipedia, available under CC BY-SA.
Frequently asked: Eastern Rainbow Boa
- Is the Eastern Rainbow Boa venomous?
- No. The Eastern Rainbow Boa (Epicrates crassus) 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 Eastern Rainbow Boa poisonous?
- Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Eastern Rainbow Boa is neither poisonous nor venomous.
- Is the Eastern Rainbow Boa dangerous?
- The Eastern Rainbow Boa is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
More Boidae snakes
Classification
How scientists group this snake, from the broadest category down to the exact species. Each step narrows to its closest relatives.
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.







