Saharan Sand Boa
Eryx muelleri
A burrowing sand boa of the Saharan and Sahelian regions of Africa, adapted for life beneath loose desert sand.
- Venomous?
- Non-venomous
- Adult length
- 0.4-0.7 m (1.3-2.3 ft)
- Range
- North and West Africa (Sahara and Sahel regions)
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Overview
The Saharan sand boa is a small, thickset constrictor found across the arid and semi-arid belt of North and West Africa. Like other sand boas, it belongs to the genus Eryx within the boa family and shows the group's classic adaptations to a fossorial, sand-swimming lifestyle.
It is less commonly encountered by people than other North African snakes because it spends nearly all of its life hidden beneath the surface, only occasionally coming above ground at night.
The species is harmless to humans, being non-venomous and relying entirely on constriction to subdue prey.
How to identify it
- Short, heavy body with a blunt, stub-like tail
- Wedge-shaped snout adapted for burrowing
- Small, high-set eyes with vertically elliptical pupils
- Sandy tan, beige, or pale brown coloration, sometimes with faint darker blotching
- Smooth scales that aid movement through loose substrate
- Adults generally 40-70 cm (1.3-2.3 ft)
- Differentiated from other regional sand boas mainly by subtle scale counts and range
Habitat & range
Occupies loose, sandy deserts and semi-arid Sahelian grasslands across North and West Africa, including parts of the Sahara's southern fringe. It favors dune systems and sandy flats where it can burrow easily below the surface.
Behavior, diet & reproduction
Nocturnal and fossorial, remaining buried during the day and emerging after dark to hunt. It preys on small rodents and lizards, ambushing them from beneath the sand and constricting them. Defensive behavior is limited, typically favoring burrowing over aggression. Reproduction is live-bearing, with females producing modest litters of young.
Frequently asked questions
Is the Saharan sand boa venomous?
No, it is non-venomous and kills prey by constriction.
How big does the Saharan sand boa get?
It typically reaches 40-70 cm (1.3-2.3 ft) in length.
Where is the Saharan sand boa found?
It occurs across the Sahara and Sahel regions of North and West Africa.
Why is the Saharan sand boa rarely seen?
It is almost entirely fossorial, spending most of its life buried in sand.
Saharan Sand Boa guides
In-depth guides for identifying and understanding Saharan Sand Boa.
