Snake FinderField Guide · Worldwide

Colubridae

Coastal Mock Viper

Harmless

Dryophylax nattereri

Coastal Mock Viper
Dryophylax nattereri, (c) Henrique Nogueira, some rights reserved (CC BY)
Coastal Mock ViperCoastal Mock ViperCoastal Mock Viper

4 photographs of the Coastal Mock Viper. (c) Henrique Nogueira, some rights reserved (CC BY).

The Coastal Mock Viper (Dryophylax nattereri) is a non-venomous snake in the Colubridae family.

Family
Colubridae

About the Coastal Mock Viper

Dryophylax nattereri, the Amazon coastal house snake or northern coastal house snake, is a species of snake in the family Colubridae.

Etymology

Common names include Amazon Coastal House Snake (pallidus), Northern Coastal House Snake (strigilis). In Portuguese, Cobra-Corre-Campo, Cobra-do-Mato, Corre-Campo, Corredeira, Jararaca-Falsa, Jararaquinha and Ubicorá f, are the common names for this species.

The name is synonymous with Coluber nattereri, Thermodynastes nattereri, Thermodynastes cf. nattereri and Thermodynastes pallidus.

Description

These snakes contain a pattern of 19-19-15 on dorsal scales. These scales are slightly keeled and smooth. They typically have one apical pit, one preocular scale and two postocular scales. Their hemipenis is marginally bilobed with spiculate and papillate short lobes and calyces. There is a distinct conchal process of the prefrontal bone, and the medial maxillary process of the ectopterygoid can be twice as long as the lateral maxillary process. The articulation of the maxilla- ectopterygoid aligns with the palatinopterygoid articulation.

Habitat and behavior

The distribution od D. marahuaquensis is several countries in South America. It can be found in Guyana, Suriname, French Guiana, Brazil (Amapa, Bahia, Pernambuco, Paraíba, Minas Gerais), Peru, Venezuela (specifically Cojedes), Colombia, Bolivia, and Ecuador. (Kornacker 1999)

Life cycle

The species exhibit a viviparous mode of reproduction.

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Coastal Mock Viper

Is the Coastal Mock Viper venomous?
No. The Coastal Mock Viper (Dryophylax nattereri) 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 Coastal Mock Viper poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Coastal Mock Viper is neither poisonous nor venomous.
Is the Coastal Mock Viper dangerous?
The Coastal Mock Viper is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
Why is it called the Coastal Mock Viper?
Common names include Amazon Coastal House Snake (pallidus), Northern Coastal House Snake (strigilis). In Portuguese, Cobra-Corre-Campo, Cobra-do-Mato, Corre-Campo, Corredeira, Jararaca-Falsa, Jararaquinha and Ubicorá f, are the common names for this species. The name is synonymous with Coluber nattereri, Thermodynastes nattereri, Thermodynastes cf. nattereri and Thermodynastes pallidus.

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
Dryophylax
SpeciesThis exact snake, named in the two-part scientific name
Dryophylax nattereri

Keep learning

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