Cryptosporidiosis is incurable and fatal — quarantine all new geckos for 90 days minimum
Crypto is caused by Cryptosporidium varanii. It causes progressive wasting and death with no cure. It is highly contagious between reptiles via faecal-oral transmission. All new geckos must be strictly quarantined with completely separate equipment — never share hides, water dishes, or tools without sterilisation.
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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.