Paired hemipenal bulges at the base of the tail are one of the clearest visual sexing cues in mature male leopard geckos
These bulges, along with the preanal pore row, become more obvious as a male matures and are typically used together rather than relying on a single trait for confident sexing.
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Most active at dawn and dusk when temperatures in their native Pakistan and Afghanistan are ideal.
A widespread misconception is that the tail acts like a camel's hump storing water.
Autotomy — voluntary tail shedding — is a defence mechanism.
Unlike most gecko species which use van der Waals forces to climb smooth surfaces, leopard geckos have conventional claws.
The moveable eyelid is unusual among geckos.
Hold your gecko up to a light source and look through one ear opening — you can see light through the other side.