AT A GLANCE
Common Name: False Smooth Snake
Scientific Name: Macroprotodon cucullatus
Category: Reptiles
Subcategory: Squamata
Size: Total length: 16–22 in (40–55 cm); Body diameter: 0.4–0.6 in (1.0–1.5 cm)
Weight: 1.5–3.2 oz (40–90 g)
Lifespan: 10–15 years in Mediterranean scrub habitats
Diet: Carnivore (specialized in wall lizards, geckos, skinks, and occasionally small rodents)
Habitat: Stony maquis shrublands, garrigue, olive groves, and dry stone terrace walls
Range: North Africa (Morocco to Libya) and the Balearic Islands of Spain
Conservation Status: Least Concern (IUCN Red List)

Overview

The False Smooth Snake (Macroprotodon cucullatus) is a slender, secretive colubrid native to coastal scrublands and rocky ecosystems across the Mediterranean basin. Named for its visual resemblance to the true smooth snake (Coronella austriaca), this nocturnal hunter is distinguished by a distinctive black collar wrapping around its neck, smooth glossy dorsal scales, and an opistoglyphous (rear-fanged) dentition specialized in subduing basking lizards.

Biology and Physical Characteristics

Macroprotodon cucullatus features a compact, cylindrical body clad in smooth, highly polished scales that minimize friction when burrowing under stones and leaf litter. Its dorsal coloration varies from pale silvery-gray to yellowish-brown, adorned with subtle dark flecks and a prominent dark chocolate or black nape band that forms an unmistakable ‘cowl’ or collar behind the head. Its eyes have vertical pupils adapted for low-light nocturnal vision, and its upper jaw contains enlarged, grooved rear fangs connected to Duvernoy’s venom glands that deliver mild venom harmless to humans but lethal to small lizards.

Behavior and Ecology

Extremely cryptic and largely nocturnal or crepuscular, the false smooth snake spends the heat of the day concealed beneath flat limestone slabs, loose subterranean root networks, or ancient dry stone agricultural terraces. At dusk, it emerges to actively hunt sleep-dulled wall lizards (Podarcis species) and night geckos, immobilizing them with a firm bite and rapid constriction before swallowing them whole. Females are oviparous, depositing clutches of two to six elongated eggs in damp compost or rocky crevices in early summer.

Conservation and Human Impact

Assessed as Least Concern by the IUCN due to a wide distribution and healthy wild populations across North Africa and the Balearics, the false smooth snake faces minimal global extinction risk. Localized pressures include habitat fragmentation from coastal resort expansion, intensification of monoculture agriculture, and road mortality. In rural areas, traditional stone walls provide essential habitat corridors that support abundant reptile populations.

Interesting Factoid

When cornered or feeling threatened, the false smooth snake flattens its head, emits a series of soft hisses, and coils tightly to expose its dark nape collar, mimicking the defensive posture of a miniature venomous viper!

Last updated: October 2026