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Colubridae

Gervais' Worm Snake

Harmless

Calamaria gervaisii

Gervais' Worm Snake
Calamaria gervaisii, © Paolo Co
Gervais' Worm SnakeGervais' Worm SnakeGervais' Worm SnakeGervais' Worm SnakeGervais' Worm Snake

6 photographs of the Gervais' Worm Snake. © Paolo Co.

The Gervais' Worm Snake (Calamaria gervaisii) is a non-venomous snake in the Colubridae family, recorded in 2 countries.

Family
Colubridae

About the Gervais' Worm Snake

Calamaria gervaisii, commonly known as Gervais's worm snake and the Philippine dwarf snake, is a species of small fossorial snake in the subfamily Calamariinae of the family Colubridae. The species is native to the Philippines.

Etymology

The specific name, gervaisii, is in honor of French zoologist Paul Gervais.

Geographic distribution

Calamaria gervaisii is endemic to the Philippine Islands. Its geographic distribution includes the islands of Basilan, Catanduanes, Cebu, Lubang, Luzon, Mindanao, Mindoro, Negros, Panay, Polillo, and Tablas.

Habitat and behavior

Calamaria gervaisii is found from near sea level up to altitudes of 1,000 m (3,281 ft). It lives in forests and plantations, burrowing in the leaf litter and hiding under stones and fallen logs, or between the buttresses of trees.

Description

The longest specimen of Calamaria gervaisii measured by Boulenger (1894) had a total length of 25.5 cm (10.0 in), which included a tail 2.0 cm (0.79 in) long.

Reproduction

Calamaria gervaisii is oviparous.

Conservation status

The IUCN has listed Calamaria gervaisii as being of "least concern" because it has a wide range, appears to be abundant with a stable population, and seems to be tolerant of disturbance to its natural habitat. No particular threats to this species have been identified.

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Gervais' Worm Snake

Is the Gervais' Worm Snake venomous?
No. The Gervais' Worm Snake (Calamaria gervaisii) 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 Gervais' Worm Snake poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Gervais' Worm Snake is neither poisonous nor venomous.
Is the Gervais' Worm Snake dangerous?
The Gervais' Worm Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
Where does the Gervais' Worm Snake live?
The Gervais' Worm Snake has verified records in 2 countries, including Philippines, Indonesia. See the distribution section below for its full range.
Why is it called the Gervais' Worm Snake?
The specific name, gervaisii, is in honor of French zoologist Paul Gervais.

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
Calamaria
SpeciesThis exact snake, named in the two-part scientific name
Calamaria gervaisii

Keep learning

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