Colubridae
Tholloni's African Water Snake
HarmlessGrayia tholloni



3 photographs of the Tholloni's African Water Snake. (c) Zilpa Miranda, some rights reserved (CC BY-NC).
The Tholloni's African Water Snake (Grayia tholloni) is a non-venomous snake in the Colubridae family, recorded in 18 countries.
- Family
- Colubridae
About the Tholloni's African Water Snake
Grayia tholloni, Tholloni's African water snake, is a species of snake in the family, Colubridae. It is found in Equatorial Guinea, the Democratic Republic of the Congo, the Republic of the Congo, Central African Republic, Zambia, Ethiopia, Sudan, South Sudan, Uganda, Kenya, Tanzania, Nigeria, Senegal, Gambia, Chad, and Angola.
Adapted from Wikipedia, available under CC BY-SA.
Frequently asked: Tholloni's African Water Snake
- Is the Tholloni's African Water Snake venomous?
- No. The Tholloni's African Water Snake (Grayia tholloni) 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 Tholloni's African Water Snake poisonous?
- Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Tholloni's African Water Snake is neither poisonous nor venomous.
- Is the Tholloni's African Water Snake dangerous?
- The Tholloni's African Water Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
- Where does the Tholloni's African Water Snake live?
- The Tholloni's African Water Snake has verified records in 18 countries, including Congo, Democratic Republic of the, Uganda, Congo. 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
- Grayia
- SpeciesThis exact snake, named in the two-part scientific name
- Grayia tholloni
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.







