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Description
Western Chameleon Gecko
Scientific Name: Eurydactylodes occidentalis
Common Name: Western Chameleon Gecko
Species Overview
Size: Adult Western Chameleon Geckos typically reach 4–5 inches (10–13 cm) in total length, including the tail. They are small, slender arboreal geckos with prehensile tails and delicate limbs suited for climbing fine twigs and leaves.
Appearance: The Western Chameleon Gecko is an exquisite, foliage-coloured species with a body patterned in varying shades of mossy green, grey, and brown, often highlighted by cream or pale yellow speckling. Some individuals show faint striping or reticulated markings along the flanks. Their skin has a matte, granular texture that mimics bark and lichen. The tail is thin, flattened, and fully prehensile, aiding in balance and grip. Their large, lidless eyes and subtle colour-shifting ability give them a chameleon-like appearance, hence their name.
Distribution: Endemic to the far northwestern region of Grande Terre, New Caledonia.
Habitat: In the wild, Western Chameleon Geckos inhabit humid coastal forests and low montane woodlands, living on thin branches and shrubs in shaded, moist environments. In captivity, they thrive in planted, naturalistic enclosures that maintain moderate humidity, soft lighting, and gentle airflow.
Behaviour: This species is diurnal to crepuscular, most active during the early morning and late afternoon. They are calm and deliberate climbers, relying on camouflage and stillness rather than speed. When threatened, they may gape or secrete a mild defensive substance from their tails. They are best suited as display animals and should not be handled frequently due to their fragility.
Captive Care
Enclosure: Provide a vertically oriented enclosure measuring at least 18 inches × 18 inches × 24 inches (45 × 45 × 60 cm) for one or a pair. Include fine branches, live vines, and dense foliage such as Ficus, Schefflera, or Pothos. These geckos prefer enclosures with stable humidity and mild air movement, avoiding excessive dryness or heavy misting.
Temperature & Humidity: Maintain daytime temperatures between 74–80°F (23–27°C) with a gentle basking area up to 84°F (29°C). Nighttime temperatures can safely drop to 68–72°F (20–22°C). Humidity should remain between 60–80%, achieved with light misting once or twice daily to maintain hydration and aid shedding.
Lighting: Western Chameleon Geckos are diurnal and benefit from full-spectrum UVB lighting (5–7%) on a 12-hour day/night cycle. Ensure a gradient of light intensity with shaded areas for retreat. UVB exposure supports calcium metabolism and overall health.
Diet: Feed small, gut-loaded insects such as crickets, small roaches, and black soldier fly larvae. Supplement insect prey with calcium and multivitamins two to three times weekly. Offer food 3–4 times per week. Adults may occasionally accept fruit purée or nectar blends, though insects should remain the dietary focus.
Behaviour in Captivity: With consistent care and a stable environment, Western Chameleon Geckos are peaceful and active during daylight hours. They thrive in naturalistic setups and can be quite visible when undisturbed. Their calm movements and gentle nature make them a fascinating display species for experienced keepers.
Special Considerations: Avoid frequent handling, as their skin and tails are delicate. Maintain moderate, stable conditions—these geckos do not tolerate extreme heat, dryness, or over-saturation. Provide climbing opportunities at all levels of the enclosure and mist lightly for hydration rather than soaking.
Taxonomy Note
The Western Chameleon Gecko (Eurydactylodes occidentalis) belongs to the family Diplodactylidae and is native to New Caledonia. It is closely related to Eurydactylodes vieillardi and Eurydactylodes agricolae but is distinguished by its more slender build, subtle patterning, and restricted range in the northwest of Grande Terre. All Eurydactylodes species share chameleon-like traits, including prehensile tails and gentle colour adaptation.
Genetics Note
There are currently no recognized morphs or selectively bred variations of Eurydactylodes occidentalis. Natural variation exists in hue and pattern intensity depending on the individual and its locality. These differences are environmental and natural, not the result of selective breeding.