How to Identify the Mole Snake (Identification Guide)

Key identifying features

The mole snake (Pseudaspis cana) is a large, robust, non-venomous constrictor native to southern Africa. It is best recognized by its thick, muscular body, relatively small head compared to its girth, and highly variable but generally unpatterned coloration. Juveniles look markedly different from adults, showing a blotched pattern that fades with age.

Coloration & pattern

Adult mole snakes are usually a solid color, ranging from olive-brown, gray, or reddish-brown to almost black, occasionally with a yellowish or cream tone in some individuals. Unlike many large African snakes, most adults lack any bold pattern, appearing essentially uniform along the body. Juveniles, in contrast, display a dark blotched or checkered pattern on a lighter background, which gradually diminishes as the snake matures into its plain adult coloring.

Head, eyes & scales

The head is small and only modestly distinct from the neck, with a rounded snout adapted for burrowing after rodents. The eyes are moderately sized with round pupils. Body scales are smooth and glossy, giving the snake a sleek appearance despite its bulk. There are no keeled scales or raised ridges, which helps distinguish it from some superficially similar heavy-bodied species.

Size & body shape

This is one of the larger snakes in its range, with adults commonly reaching 1.5 to 2 meters (5 to 6.5 feet) and some individuals approaching or slightly exceeding 2 meters. The body is thick and powerfully built, tapering to a moderately short tail. Its heavy build and defensive hissing, flattening, and striking display often lead people to mistake it for a venomous species, even though it is a constrictor with no venom.

Range & habitat where you'll see it

Mole snakes are widespread across South Africa, Namibia, Botswana, and neighboring areas, favoring open grassland, scrubland, agricultural land, and sandy or loose-soiled habitats where rodents are abundant. They are frequently encountered in burrows, under debris, or moving across open ground during the day, as they are largely diurnal and semi-fossorial.

How to tell it apart from look-alikes

Because of its plain dark coloration and heavy build, the mole snake is often confused with cobras or other elapids, especially when it flattens its neck and hisses defensively. However, it lacks a true hood and does not have the fixed front fangs or slender build of cobras. Juvenile mole snakes with blotched patterns can resemble other patterned colubrids, but the pattern fading toward a uniform tone with age, combined with the small head and stout body, helps confirm identification.