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Colubridae

Bicoloured Stream Snake

Harmless

Opisthotropis lateralis

Bicoloured Stream Snake
Opisthotropis lateralis, © Lawrence Hylton
Bicoloured Stream SnakeBicoloured Stream SnakeBicoloured Stream SnakeBicoloured Stream SnakeBicoloured Stream Snake

6 photographs of the Bicoloured Stream Snake. © Lawrence Hylton.

The Bicoloured Stream Snake (Opisthotropis lateralis) is a non-venomous snake in the Colubridae family, recorded in 3 countries.

Family
Colubridae

About the Bicoloured Stream Snake

Opisthotropis lateralis, the Tonkin mountain keelback, is a species of natricine snake found in Vietnam and China.

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Bicoloured Stream Snake

Is the Bicoloured Stream Snake venomous?
No. The Bicoloured Stream Snake (Opisthotropis lateralis) 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 Bicoloured Stream Snake poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Bicoloured Stream Snake is neither poisonous nor venomous.
Is the Bicoloured Stream Snake dangerous?
The Bicoloured Stream Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
Where does the Bicoloured Stream Snake live?
The Bicoloured Stream Snake has verified records in 3 countries, including Hong Kong, China, Viet Nam. 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
Opisthotropis
SpeciesThis exact snake, named in the two-part scientific name
Opisthotropis lateralis

Keep learning

Distribution from GBIF & iNaturalist. Venom status per CDC. Background: Wikipedia. Informational only. Never handle a snake to identify it.