
The Northern Spiny-Tailed Gecko, strophurus ciliaris, is a distinctive lizard known for its unique defense mechanism and striking appearance. Native to Australia, this species is characterized by a row of spiny scales along the sides of its tail and body, giving it its common name. Adults can reach lengths of up to 10 to 15 cm, including the tail, with a body that is generally light brown or gray, featuring darker bands or blotches. The spines themselves are not sharp but serve as a visual deterrent to predators. Their eyes are large and prominent, with vertical pupils, adapted for nocturnal activities.

| Population: | Not widely studied, but currently not considered endangered |
| Generation Length: | 2-3 years |
| Average Weight: | 10-15 grams |
| Average Length: | 10-15 cm, including the tail |
| Lifespan: | 5-10 years in the wild |
| Diet: | Insectivorous, catching prey with stealth and speed |
| Conservation Status: | Least Concern (LC) |
This gecko species inhabits a range of environments, from arid desert landscapes to woodland and grassland areas, demonstrating a remarkable adaptability to different habitats. They are arboreal, spending much of their time in trees and bushes, where they can be found hiding under bark or within crevices during the day. At night, they emerge to hunt, displaying their nocturnal lifestyle.
The diet of the Northern Spiny-Tailed Gecko primarily consists of insects and other small invertebrates. They are opportunistic feeders, using their keen eyesight and stealth to ambush prey. This diet plays a crucial role in controlling insect populations in their native habitats, highlighting their importance in the ecosystem.
Reproduction in this species involves the female laying clutches of two eggs, which are often deposited in secure locations like tree hollows or under rocks. These eggs are relatively large in comparison to the size of the female and require a period of incubation before hatching. The geckos exhibit a level of parental care, with females sometimes guarding the eggs until they hatch.
The population of the Northern Spiny-Tailed Gecko is considered stable within its native range, though, like many reptiles, it faces threats from habitat destruction and the pet trade. Conservation efforts are focused on habitat preservation and regulating trade to ensure sustainable populations. Their unique appearance and behavior make them a subject of interest for herpetologists and reptile enthusiasts alike, underscoring the need for continued study and conservation.
Climbing, crawling
Solitary, with territorial tendencies
Quick and agile in its arboreal habitat
Insectivore
Arid regions, often in trees, on rocks, and near termite mounds
Sedentary, with limited home ranges
Northern Australia, particularly in arid and semi-arid regions
Prefers hot, dry environments
Birds, larger reptiles, and mammals
Insects, spiders, and other small arthropods
Nocturnal hunter, feeding primarily on insects and other small invertebrates
Insectivorous, catching prey with stealth and speed
Polygynous
2-4 eggs per clutch
Around 60-70 days
The Northern Spiny-Tailed Gecko can shoot a harmless, sticky fluid from its tail to deter predators.
This fluid defense mechanism is unique among geckos, providing an effective way to escape threats. The fluid can be sticky and noxious, which surprises and deters predators. These geckos are found in Australia, preferring arid and semi-arid environments. Their spiny tails contribute to their unique appearance and help in camouflage.



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