Flat-Tailed House Gecko

Fascinating facts about the Flat-Tailed House Gecko

• A flat-tailed house gecko can climb a pane of glass so smooth that a human fingernail can't find purchase. The secret: 20 million microscopic hairs on each toe, each one 200 nanometres wide, creating van der Waals forces strong enough to support 5 times the gecko's body weight. These adhesive toes work underwater, on metal, and upside down — and they clean themselves automatically by peeling back into shape with every step.
• When threatened, a flat-tailed house gecko's tail snaps off and thrashes violently for up to 20 minutes on the floor, a distraction tactic called autotomy that lets the gecko escape while the predator watches the decoy. The tail grows back in 6–8 weeks, but the new version uses cartilage instead of bone — a trade-off between vulnerability and speed.
• These geckos can see in near-total darkness with eyes 350 times more light-sensitive than human eyes, yet they're almost entirely colourblind. Their retinas are packed with rod cells instead of cone cells, a design choice that sacrifices colour for night vision in tropical homes where insects are active after dark.
• A flat-tailed house gecko shares your home not by accident but by choice — it follows human buildings because electric lights attract insects, turning a single gecko's corner into a reliable food buffet. A single gecko can eat 40–50 insects per night, making them natural pest control that humans never bought or trained.
• Unlike most geckos, the flat-tailed house gecko is entirely female in many populations across Asia and reproduces through parthenogenesis — producing clones of themselves without needing males. A single gecko can colonise an entire neighbourhood alone, which is why they've spread to homes across the tropics faster than any competitor.

At a glance

About the Flat-Tailed House Gecko

In the warm, golden light of dusk, the flat-tailed house gecko emerges from its hiding places, its slender form unfolding like a tiny, living shadow as it pads silently across the walls and ceilings of its human-made domain. With eyes that shine like dark, polished jewels, this diminutive hunter navigates the intricate landscape of cracks and crevices, its delicate feet barely making a whisper as it pursues the tiny insects that dance in the fading light. As it moves, its flat, broad tail flicks back and forth, a subtle counterbalance to its swift, darting movements, a testament to the gecko's remarkable agility and adaptability.

Discover more wildlife