Snake Identifier
Common Slug-eater (Duberria lutrix)
Duberria lutrix 205772585 by Oliver Angus, via Wikimedia Commons, licensed under CC0
Colubrids

Common Slug-eater

Duberria lutrix

A small, docile African colubrid that feeds exclusively on slugs and snails, completely harmless to humans.

Venomous?
Non-venomous
Adult length
0.2-0.4 m (0.7-1.3 ft)
Range
Sub-Saharan Africa

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Overview

The Common Slug-eater is a small, gentle colubrid distributed widely across sub-Saharan Africa, notable for its highly specialized diet of slugs and snails. It is frequently found in gardens and moist grassland, where it is welcomed as a natural pest-control species.

This snake is entirely non-venomous and extremely docile, almost never attempting to bite even when handled, making it one of the most harmless snakes in its range.

How to identify it

  • Small, cylindrical body rarely exceeding 40 cm
  • Reddish-brown to grayish-brown dorsal coloration, sometimes with a pale vertebral stripe
  • Smooth, glossy scales
  • Small head barely distinct from the neck
  • Round pupils and small eyes

Its small size, smooth uniform coloration, and gentle demeanor distinguish it from other small colubrids; specialized dentition for gripping slimy prey is a further identifying trait known to herpetologists.

Habitat & range

Found in moist grassland, forest edge, gardens, and agricultural land throughout much of sub-Saharan Africa, from South Africa northward through East and Central Africa. Prefers areas with abundant leaf litter and moisture, ideal for its molluscan prey.

Behavior, diet & reproduction

Primarily crepuscular and nocturnal, though sometimes active after rain during the day. It is extremely placid, often curling into a tight coil rather than striking when disturbed.

Feeds exclusively on slugs and snails, using specialized jaw structures to extract snails from their shells. Reproduction is live-bearing (ovoviviparous), with small litters of a few young produced.

Frequently asked questions

Is the Common Slug-eater venomous?

No, it is entirely non-venomous and completely harmless to humans.

How big does the Common Slug-eater get?

It is a small snake, typically only 0.2-0.4 m (0.7-1.3 ft) long.

What does the Common Slug-eater eat?

It feeds exclusively on slugs and snails.

Where is the Common Slug-eater found?

It occurs widely across sub-Saharan Africa in moist grassland and garden habitats.