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Colubridae

Eyed Cat Snake

Harmless

Boiga siamensis

Eyed Cat Snake
Boiga siamensis, © Paulmathi Vinod
Eyed Cat SnakeEyed Cat Snake

3 photographs of the Eyed Cat Snake. © Paulmathi Vinod.

The Eyed Cat Snake (Boiga siamensis) is a rear-fanged, mildly venomous snake in the Colubridae family, recorded in 8 countries.

Family
Colubridae

About the Eyed Cat Snake

The gray cat snake (Boiga siamensis), also known as eyed cat snake or Siamese cat snake is a species of catsnake found in northeastern India, Bangladesh, Myanmar, Cambodia, Thailand, Malaysia, Vietnam. and Nepal

Description

The Siamese cat snake resembles the dog-toothed snake but it occupies a different geographical range. It is a large snake, reaching almost 2 m (6 1⁄2 ft) in total length. Colours are greyish-brown with black crossbars that are most distinct interiorly. The head is dark brown with a dark streak from behind the eye to the first body crossbar that is broken just beyond the last supralabial. The chin and throat are white, the ventrals white to light brown

Behavior and venom

Mostly nocturnal, it is a potentially aggressive snake. It is a rear fanged venom snake but there are not known casualties registered.

Geographic range

It is found in India, Bangladesh, Myanmar, Cambodia, Thailand, Nepal, Malaysia, and Vietnam. It is also found in Laos.

Habitat

These snakes are found in forest-hills and plains and can be found up to 1,700 m (5,577 ft.). They are arboreal but can be found near water too.

Diet

This snake feeds on, birds, and eggs.

Reproduction

Boiga siamensis is an oviparous species, with sexually mature females laying eggs, 6–12 per clutch

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Eyed Cat Snake

Is the Eyed Cat Snake venomous?
The Eyed Cat Snake (Boiga siamensis) is rear-fanged and only mildly venomous. It is not considered dangerous to humans (its venom is weak and its fangs sit at the back of the mouth) but a bite can cause local swelling or irritation, so it should not be handled.
Is the Eyed Cat Snake poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Eyed Cat Snake is neither poisonous nor venomous.
Is the Eyed Cat Snake dangerous?
The Eyed Cat Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
Where does the Eyed Cat Snake live?
The Eyed Cat Snake has verified records in 8 countries, including Thailand, India, Viet Nam. See the distribution section below for its full range.
What does the Eyed Cat Snake eat?
This snake feeds on, birds, and eggs.

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
Boiga
SpeciesThis exact snake, named in the two-part scientific name
Boiga siamensis

Keep learning

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