
Peters' Thread Snake
Leptotyphlops scutifrons
A tiny, worm-like burrowing snake from Africa with smooth, glossy scales and no functional venom delivery to humans.
- Venomous?
- Harmless
- Adult length
- 15-25 cm (6-10 in)
- Range
- Eastern and Southern Africa
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Overview
Peters' Thread Snake is a diminutive, fossorial member of the thread snake family found across eastern and southern Africa. It is one of many similar-looking thread or worm snakes that spend nearly their entire lives underground, rarely encountered except after rains or when disturbed in soil.
Its small size and secretive habits mean it is not well known to the general public, but it is a common component of African soil and leaf-litter faunas. It is completely harmless to humans, lacking any capacity to deliver a meaningful bite.
How to identify it
- Extremely slender, worm-like body only a few millimeters in diameter
- Uniform glossy brown to purplish-black coloration, sometimes with a paler underside
- Smooth, highly polished scales that give a shiny appearance
- Head not distinct from neck; eyes reduced to dark spots beneath translucent scales
- Blunt tail tip, sometimes with a small spine
- Adult length rarely exceeds 25 cm (10 in)
Habitat & range
Found in loose, sandy, or loamy soils, under leaf litter, logs, and stones in savanna, woodland, and grassland habitats across eastern and southern Africa. It burrows through loose substrate and is rarely seen on the surface except during rains or when soil is disturbed.
Behavior, diet & reproduction
Fossorial and nocturnal, surfacing mainly at night or after rain. Feeds primarily on ants and termites, along with their eggs and larvae, using specialized jaw structures to hold onto prey in tight tunnels. Reproduction is oviparous, with small clutches of a few elongated eggs.
Frequently asked questions
Is Peters' Thread Snake venomous?
No, it is harmless to humans and has no medically significant venom.
How big does it get?
It typically reaches only 15-25 cm (6-10 in) in length.
Where is it found?
It occurs across eastern and southern Africa in soil and leaf litter habitats.
What does it eat?
It feeds mainly on ants and termites and their brood.
Peters' Thread Snake guides
In-depth guides for identifying and understanding Peters' Thread Snake.