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Colubridae

Persian Ratsnake

Harmless

Zamenis persicus

Persian Ratsnake
Zamenis persicus, © Mohammad Amin Ghaffari
Persian RatsnakePersian RatsnakePersian RatsnakePersian Ratsnake

5 photographs of the Persian Ratsnake. © Mohammad Amin Ghaffari.

The Persian Ratsnake (Zamenis persicus) is a non-venomous snake in the Colubridae family, recorded in 2 countries.

Family
Colubridae

About the Persian Ratsnake

The Persian ratsnake (Zamenis persicus) is a species of medium-sized nonvenomous snake in the subfamily Colubrinae of the family Colubridae. The species is native to Western Asia.

Geographic distribution

Zamenis persicus is found in temperate northwestern Iran and Azerbaijan, in the area near the Caspian Sea.

Habitat

The preferred natural habitats of Zamenis persicus are forest, shrubland, and rocky areas, at elevations from sea level to 1,700 m (5,600 ft).

Description

Adults of Zamenis persicus are from 70–90 cm (28–35 in) up to 120 cm (47 in) in total length (tail included), and usually jet black or grey with white markings along the lateral portion of the forebody. Males seem to grow larger than females.

Taxonomy

Zamenis persicus has habits very similar to Z. situla, and for many years it was considered a subspecies of Elaphe longissima. It was granted full species status in 1984 (Nilson and Andrén).

Behavior

The Persian ratsnake is principally regarded as a terrestrial species, spending most of its time in the leaf litter; however, it is also an agile climber and will mount low brush.

Diet

The diet of Zamenis persicus, like that of most colubrids, consists primarily of small mammals, but it may also eat other small reptiles and amphibians.

Reproduction

Sexually mature female Persian ratsnakes lay clutches of 4–9 eggs, which hatch after 45–55 days.

In captivity

For Zamenis persicus, a hibernation period of 2–3 months is recommended.

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Persian Ratsnake

Is the Persian Ratsnake venomous?
No. The Persian Ratsnake (Zamenis persicus) 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 Persian Ratsnake poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Persian Ratsnake is neither poisonous nor venomous.
Is the Persian Ratsnake dangerous?
The Persian Ratsnake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
Where does the Persian Ratsnake live?
The Persian Ratsnake has verified records in 2 countries, including Iran (Islamic Republic of), Azerbaijan. See the distribution section below for its full range.
What does the Persian Ratsnake eat?
The diet of Zamenis persicus, like that of most colubrids, consists primarily of small mammals, but it may also eat other small reptiles and amphibians.

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
Zamenis
SpeciesThis exact snake, named in the two-part scientific name
Zamenis persicus

Keep learning

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