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Colubridae

Olive Marsh Snake

Harmless

Natriciteres olivacea

Olive Marsh Snake
Natriciteres olivacea, © Denis RAMAGE
Olive Marsh SnakeOlive Marsh SnakeOlive Marsh SnakeOlive Marsh SnakeOlive Marsh Snake

6 photographs of the Olive Marsh Snake. © Denis RAMAGE.

The Olive Marsh Snake (Natriciteres olivacea) is a non-venomous snake in the Colubridae family, recorded in 30 countries.

Family
Colubridae

About the Olive Marsh Snake

The olive marsh snake (Natriciteres olivacea) is a species of snake in the subfamily Natricinae of the family Colubridae. The species is endemic to Sub-Saharan Africa.

Description

N. olivacea is a small snake which exhibits sexual dimorphism. Males may attain a maximum total length (including tail) of only 27 cm (11 in), but the larger females may attain a total length of 33 cm (13 in).

It has smooth dorsal scales, which are arranged in 19 rows at midbody, reducing to 17 rows towards the rear.

Dorsally, it is dark olive. Ventrally, it is whitish. The upper labials are whitish, with dark vertical bars at the sutures.

Distribution and habitat

N. olivacea is found in Angola, Benin, Botswana, Cameroon, Central African Republic, both Congos (Democratic Republic of the Congo and Republic of the Congo), Equatorial Guinea, Ethiopia, Gabon, Ghana, Guinea, Ivory Coast, Mali, Mozambique, Namibia, Nigeria, Senegal, Somalia, South Africa, Sudan, Tanzania, Togo, Uganda, Zambia, and Zimbabwe.

The preferred habitat of N. olivacea is savanna.

Biology

N. olivacea is oviparous. In early summer the adult female lays a clutch of 6-8 eggs. Each egg measures 22 x 9 mm (.87 x .35 inch). It preys on winged termites.

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Olive Marsh Snake

Is the Olive Marsh Snake venomous?
No. The Olive Marsh Snake (Natriciteres olivacea) 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 Olive Marsh Snake poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Olive Marsh Snake is neither poisonous nor venomous.
Is the Olive Marsh Snake dangerous?
The Olive Marsh Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
Where does the Olive Marsh Snake live?
The Olive Marsh Snake has verified records in 30 countries, including Congo, Democratic Republic of the, Tanzania, United Republic of, Côte d’Ivoire. 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
Natriciteres
SpeciesThis exact snake, named in the two-part scientific name
Natriciteres olivacea

Keep learning

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