Boidae
Mona Island Boa
HarmlessChilabothrus monensis

The Mona Island Boa (Chilabothrus monensis) is a non-venomous snake in the Boidae family, recorded in 2 countries.
- Family
- Boidae
About the Mona Island Boa
Chilabothrus monensis, also called commonly the Virgin Islands boa in the Virgin Islands, and the Mona Island boa elsewhere, is a species of snake in the family Boidae. The species is native to the West Indies. There are no subspecies.
Adapted from Wikipedia, available under CC BY-SA.
Frequently asked: Mona Island Boa
- Is the Mona Island Boa venomous?
- No. The Mona Island Boa (Chilabothrus monensis) 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 Mona Island Boa poisonous?
- Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Mona Island Boa is neither poisonous nor venomous.
- Is the Mona Island Boa dangerous?
- The Mona Island Boa is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
- Where does the Mona Island Boa live?
- The Mona Island Boa has verified records in 2 countries, including Puerto Rico, Virgin Islands (U.S.). See the distribution section below for its full range.
Where it is found
More Boidae snakes
Puerto Rican BoaChilabothrus inornatus
Hispaniolan BoaChilabothrus striatus
Cuban Tree BoaChilabothrus angulifer
Bahamian BoaChilabothrus strigilatus
Jamaican BoaChilabothrus subflavus
Southern Bahamas boaChilabothrus chrysogaster
Hispaniolan Gracile BoaChilabothrus gracilis
Virgin Islands boaChilabothrus granti
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
- Boidae
- GenusA close-knit group of very similar species
- Chilabothrus
- SpeciesThis exact snake, named in the two-part scientific name
- Chilabothrus monensis
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.