African Fat-tailed Gecko

Fascinating facts about the African Fat-tailed Gecko

• A 7-8 inch African fat-tailed gecko can weigh as much as 75 g, but females are a touch smaller than the males. That size packs a fat-filled tail that acts like a personal pantry when meals run thin. It shows how a modest body can double as a survival kit in the Sahel.
• When a predator grabs the tail, the gecko can shed it and later grow a new, smoother, bulbous tail that does not resemble the original.
• These geckos spend daylight hours tucked inside dark, humid spots such as termite mounds, then emerge under the night sky to hunt insects. Their strict nocturnal rhythm lets them avoid the scorching Sahel heat while still catching prey.
• Their range stretches from Senegal across Nigeria and just into northern Cameroon, covering both dry Sahel and wet or dry savannahs. Populations shift in size, scale pattern, and color to match each micro-habitat, illustrating rapid local adaptation.
• With proper care, an African fat-tailed gecko can live 15–20 years, although longer may be possible.

At a glance

About the African Fat-tailed Gecko

The African fat-tailed gecko, Hemitheconyx caudicinctus, is a stout, ground-dwelling lizard of the subfamily Eublepharinae, distinguished by its movable eyelids, vertical pupils and the conspicuous absence of adhesive toe pads. Adults measure roughly 7–8 inches and weigh up to 75 g, with females a shade smaller than the males. Their dorsal canvas is a tapestry of brown and tan or beige stripes, sometimes bisected by a thin white line, while the ventral side glows in pale pink or off-white. The most remarkable feature is the tail, a living pantry of fat that can sustain the gecko for days without food and doubles as a decoy; when seized by a predator the tail detaches, later regenerating as a smoother, bulbous appendage that never quite mirrors the original. In the dry Sahel and the wet or dry savannahs stretching from Senegal through Nigeria into northern Cameroon, these nocturnal hunters spend daylight hours concealed in dark, humid refuges such as termite mounds, burrows, under rocks or fallen logs. By night they emerge to stalk insects, worms, crickets and the occasional beetle or cockroach, their keen eyes adapted to low light. Their ability to vary size, scale pattern and colour across micro-habitats not only camouflages them but also fuels successful repopulation across a fragmented landscape, a subtle yet powerful adaptation that underscores the gecko’s resilience.

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