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Colubridae

Caucasian Ratsnake

Harmless

Zamenis hohenackeri

Caucasian Ratsnake
Zamenis hohenackeri, © GD
Caucasian RatsnakeCaucasian RatsnakeCaucasian RatsnakeCaucasian RatsnakeCaucasian Ratsnake

6 photographs of the Caucasian Ratsnake. © GD.

The Caucasian Ratsnake (Zamenis hohenackeri) is a non-venomous snake in the Colubridae family, recorded in 10 countries.

Family
Colubridae

About the Caucasian Ratsnake

The Transcaucasian ratsnake (Zamenis hohenackeri), also commonly known as the Gavand snake, is a species of nonvenomous ratsnake in the subfamily Colubrinae of the family Colubridae. The species is native to Western Asia and the Middle East. There are three recognized subspecies.

Etymology

The specific name, hohenackeri, is in honor of Rudolph Friedrich Hohenacker, who was a Swiss missionary, physician, and naturalist.

Geographic range

Zamenis hohenackeri is found in Armenia, Azerbaijan, Georgia, Iran, Iraq, Israel, Lebanon, southwestern Russia, Syria, and Turkey.

Description

Zamenis hohenackeri may attain a total length of 65 cm (26 in), which includes a tail 11 cm (4.3 in) long. Dorsally, it is gray with four alternating series of dark brown spots. Ventrally, it is reddish or yellowish, marbled or spotted with gray. On the head, there is a diagonal black streak from the eye to the corner of the mouth, and a vertical black line below the eye.

Habitat

Zamenis hohenackeri is found in mountainous areas, at altitudes of 100–3,000 m (330–9,840 ft), in a variety of habitats, from dry to wet, including agricultural areas.

Behavior

Zamenis hohenackeri is terrestrial and diurnal.

Reproduction

Zamenis hohenackeri is oviparous. Clutch size is 3–7 eggs.

Subspecies

Three subspecies are recognized as being valid, including the nominotypical subspecies.

Zamenis hohenackeri hohenackeri (Strauch, 1873)

Zamenis hohenackeri lyciensis Hofmann, Mebert, Schulz, Helfenberger, Göçmen & Böhme, 2018

Zamenis hohenackeri tauricus (F. Werner, 1898)

Nota bene: A trinomial authority in parentheses indicates that the subspecies was originally described in a genus other than Zamenis hohenackeri.

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Caucasian Ratsnake

Is the Caucasian Ratsnake venomous?
No. The Caucasian Ratsnake (Zamenis hohenackeri) 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 Caucasian Ratsnake poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Caucasian Ratsnake is neither poisonous nor venomous.
Is the Caucasian Ratsnake dangerous?
The Caucasian Ratsnake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
Where does the Caucasian Ratsnake live?
The Caucasian Ratsnake has verified records in 10 countries, including Türkiye, Israel, Armenia. See the distribution section below for its full range.
Why is it called the Caucasian Ratsnake?
The specific name, hohenackeri, is in honor of Rudolph Friedrich Hohenacker, who was a Swiss missionary, physician, and naturalist.

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 hohenackeri

Keep learning

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