Colubridae
Boie's Rough-sided Snake
HarmlessAspidura brachyorrhos

The Boie's Rough-sided Snake (Aspidura brachyorrhos) is a non-venomous snake in the Colubridae family, recorded in 3 countries.
- Family
- Colubridae
About the Boie's Rough-sided Snake
Aspidura brachyorrhos, commonly known as Boie's rough-sided snake and as ලේ මැඩිල්ලා (le medilla) in Sinhala, is a species of colubrid endemic to Sri Lanka. Bites from this species are known to cause mild local reactions, including a slight burning sensation and swelling.
Distribution
A small burrowing snake found in the midhills of central Sri Lanka. Recorded localities include Namunukula, Gampola, Weligala, Peradeniya, Gammaduwa, Dambulla, Kegalle, and Kandy.
Description
The head is indistinct from the neck, and the body is cylindrical. The dorsal side is a rich orange-brown with mottled, discontinuous mid-dorsal stripes that are distinct, accompanied by two rows of lateral spots. The head is dark brown.
Scalation
Midbody scale rows: 17. Pre-ocular scales present. Two post-oculars in contact with the parietal. Ventrals: 134–159. Subcaudals: 25–39.
Ecology
Little is known about this species. It occurs at elevations between 610 and 1,100 meters. This species has been found in tea plantations, vegetable gardens, and has also been unearthed from riverbanks.
Reproduction
Between 2 and 6 offsprings measuring 8 × 28 mm are produced.
Adapted from Wikipedia, available under CC BY-SA.
Frequently asked: Boie's Rough-sided Snake
- Is the Boie's Rough-sided Snake venomous?
- No. The Boie's Rough-sided Snake (Aspidura brachyorrhos) 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 Boie's Rough-sided Snake poisonous?
- Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Boie's Rough-sided Snake is neither poisonous nor venomous.
- Is the Boie's Rough-sided Snake dangerous?
- The Boie's Rough-sided Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
- Where does the Boie's Rough-sided Snake live?
- The Boie's Rough-sided Snake has verified records in 3 countries, including Sri Lanka, Myanmar, Philippines. See the distribution section below for its full range.
Where it is found
More Colubridae snakes
Common Rough-sided SnakeAspidura trachyprocta
Günther's Rough-sided SnakeAspidura guentheri
Ceylon KeelbackAspidura ceylonensis
Ravana's Rough-sided SnakeAspidura ravanai
De Silva's Rough-sided SnakeAspidura desilvai
Cope's Rough-sided SnakeAspidura copei
Drummond-Hay's Rough-sided SnakeAspidura drummondhayi- No photoSri Lanka Rough-sided SnakeAspidura deraniyagalae
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
- Aspidura
- SpeciesThis exact snake, named in the two-part scientific name
- Aspidura brachyorrhos
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.