Reference

You should know

Things every gargoyle gecko keeper should understand — biology, natural history, husbandry, diet, breeding, and what to look for when choosing a morph.

Gargoyle gecko facts, one at a time. 124 facts covering biology, natural history, husbandry, diet, health, breeding, morphs, and ownership. Each fact also has its own page in the info library.

Facts & husbandry

Importance

Showing 30 of 124 facts

  • Good to knowbiology

    The gargoyle gecko is Rhacodactylus auriculatus

    The species was described by Bavay in 1869. The name auriculatus refers to the ear-like bony bumps on the head, and the animal belongs to the family Diplodactylidae, the same family as the crested gecko and the giant New Caledonian geckos.

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  • Importantbiology

    The 'gargoyle' name comes from bony head crests

    Raised, horn-like bumps sit behind the eyes and along the back of the skull, resembling the carved stone gargoyles on old buildings. The crests vary a lot between individuals, from barely noticeable to quite pronounced.

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  • Importantbiology

    Gargoyle geckos have no eyelids

    Unlike eublepharid geckos such as leopard and fat-tailed geckos, gargoyle geckos have a fixed transparent scale over each eye and clean it by licking rather than blinking.

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  • Good to knowbiology

    They have vertical slit pupils

    In bright light the pupil narrows to a thin vertical line, and in the dark it opens wide. This is typical of nocturnal geckos and one reason a gargoyle avoids bright, exposed spots.

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  • Importantbiology

    Gargoyle geckos lack the sticky toe pads of crested geckos

    Close relatives such as crested and gargoyle-cousin giant geckos have adhesive lamellae that let them stick to glass. Gargoyle geckos have small claws instead and cannot climb smooth vertical glass, though they are still confident climbers on branches, bark, and foliage.

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  • Importantbiology

    Gargoyle geckos can regrow a lost tail

    Unlike the closely related crested gecko, which cannot regenerate its tail at all, a gargoyle gecko that drops its tail through autotomy will grow a new one over the following months. The replacement is usually smoother, shorter, and more bulbous, and lacks the original texture.

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  • Importantbiology

    The tail stores fat reserves

    A gargoyle gecko's original tail thickens as the animal stores energy, similar in function to a fat-tailed gecko or leopard gecko's tail. A visibly thin tail is one of the clearest early signs that a gargoyle is underweight or unwell.

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  • Good to knowbiology

    The original tail is rough and knobbly, not smooth

    Small raised tubercles run along the length of an original tail, giving it a bumpy texture that matches the gecko's overall rugged look. A regrown tail loses this texture and looks noticeably plainer.

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  • Importantbiology

    Adults typically reach about 7 to 9 inches in total length

    That includes the tail. Size varies with genetics, feeding, and whether the tail is original or regrown. Growth from hatchling to full adult size usually takes 12 to 18 months.

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  • Good to knowbiology

    Adult weight commonly falls between about 35 and 60 grams

    Weight is a better condition indicator than length alone, since regrown tails and individual build vary. A monthly weigh-in on a gram scale gives a clearer picture of health than the eye does.

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  • Good to knowbiology

    Hatchlings weigh only a couple of grams

    A newly hatched gargoyle gecko is around 2 to 3 inches long and weighs roughly 2 grams. They grow steadily over their first year on a good diet.

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  • Importantbiology

    Gargoyle geckos are crepuscular to nocturnal

    Activity peaks around dusk and after dark. A gecko that hides and sleeps through most of the day is behaving normally, not showing illness.

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  • Importantbiology

    They are semi-arboreal, using branches, bark, and leaf litter alike

    In the wild, gargoyle geckos occupy the lower and mid-levels of forest and scrub rather than the high canopy, moving between climbing surfaces and the ground. A captive enclosure should offer both vertical climbing space and some floor-level cover.

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  • Importantbiology

    Gargoyle geckos are omnivores, not strict insectivores

    In the wild they eat insects, other small geckos, nectar, sap, and soft fruit. In captivity, a fortified powdered meal-replacement diet mimics this and is usually the main food source, with insects offered in rotation.

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  • Good to knowbiology

    Gargoyle geckos can chirp, squeak, or bark

    They make short sounds when startled, during interactions with other geckos, or occasionally while being handled. This is normal and not usually a sign of pain on its own.

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  • Good to knowbiology

    Gargoyle geckos eat their own shed skin

    Eating shed recycles nutrients and removes a scent trail a predator could follow in the wild. It is normal behaviour rather than a sign of a deficiency.

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  • Good to knowbiology

    Gargoyle geckos are ectotherms

    They rely on the surrounding environment for body heat rather than generating their own. This is part of why keeping temperatures within a safe range matters so much, and why they don't need a hot basking spot the way a diurnal lizard does.

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  • Importantbiology

    Males have visible hemipenal bulges

    Adult males show two bulges at the base of the tail. Females have a flatter tail base. This is usually visible from around six months of age onward, though some individuals mature slower.

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  • Good to knowbiology

    Gargoyle geckos share their home island with crested geckos

    Both species are native to New Caledonia and belong to the broader Rhacodactylus/Correlophus group of geckos endemic to the island, alongside the much larger New Caledonian giant gecko.

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  • Good to knowbiology

    Skin colour can look duller before a shed

    Skin turns milky or dull grey before shedding as a new layer forms underneath. This is normal and should clear after the shed completes.

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  • Importantbiology

    Gargoyle geckos are long-lived for their size

    With good care, many live 15 to 20 years in captivity. Buying one is a commitment that lasts well beyond a typical pet.

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  • Good to knowbiology

    The genus Rhacodactylus includes several New Caledonian species

    Besides the gargoyle gecko, this includes the New Caledonian giant gecko (Rhacodactylus leachianus) and the chahoua or mossy prehensile-tailed gecko (Rhacodactylus chahoua). The crested gecko was reclassified into its own genus, Correlophus, though it remains a close relative.

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  • Good to knowbiology

    Unlike its chahoua cousin, a gargoyle gecko's tail is not prehensile

    The chahoua and giant gecko can grip branches with the tail. A gargoyle gecko's tail is used mainly for balance and fat storage rather than gripping.

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  • Good to knowbiology

    Gargoyle geckos have a distinctively wide, flat, triangular head

    The broad head shape, combined with the bony crests, gives the species its rugged, armoured look and is one of the easiest features that separates it from a crested gecko at a glance.

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  • Good to knowbiology

    Juvenile colour and pattern often shift as the gecko matures

    A hatchling's markings are not a reliable preview of its adult appearance. Colour and contrast can change noticeably over the first year or two.

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  • Importantwild

    Captive-bred stock dominates the pet trade

    Habitat pressure in southern New Caledonia makes wild collection undesirable, and decades of captive breeding have produced a healthy, well-established supply of captive-bred gargoyle geckos with predictable care needs.

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  • Importantwild

    The native range is southern New Caledonia

    Gargoyle geckos are found in the southern province of Grande Terre and nearby areas, in humid forest, scrub, and forest-edge habitat.

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  • Good to knowwild

    The IUCN reassessed the gargoyle gecko as Least Concern in 2021

    The 2021 IUCN Red List assessment lists Rhacodactylus auriculatus as Least Concern, a more favourable status than some older hobby write-ups suggest. That said, it remains a single-island endemic found only in southern New Caledonia, so ongoing habitat pressure from land clearing, wildfire, and introduced predators is still tracked by conservationists even though the trade runs almost entirely on captive-bred stock.

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  • Good to knowwild

    New Caledonia is home to many endemic reptile species found nowhere else

    The island's long isolation has produced a distinctive reptile fauna, including several gecko genera found only there. This is part of why habitat loss on the island is a genuine conservation concern.

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  • Good to knowwild

    Wild gargoyle geckos feed on nectar, sap, and fruit as well as insects and small geckos

    This omnivorous, opportunistic diet is exactly what the powdered meal-replacement diets used in captivity are designed to imitate.

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Morphs

A morph or colour line is a genetic or line-bred variant producing a specific appearance. Gargoyle gecko genetics are less standardised than leopard gecko genetics, so inheritance is listed the way breeders commonly describe it. Always ask the breeder for proof of lineage, and choose a healthy animal over a rare colour.

Wild Type
also: Normal
Wildcommon

Grey, tan, or brown body with subtle mottling — the natural New Caledonian colouration and the baseline every named line is compared against.

Black Rain
Line-breduncommon

A dark, near-black base colour with lighter streaking that runs down the body, giving a rain-streaked look. One of the most recognisable and sought-after selectively bred lines.

Reticulated
also: Retic
Pattern trait, various base colourscommon

A broken, net-like pattern of dark lines over a lighter base. Can appear in combination with almost any base colour, so it's usually paired with a colour name, e.g. orange reticulated.

Striped
also: Stripe
Pattern trait, various base colourscommon

A continuous pale or dark stripe running down the length of the back, standing out against the base colour. A popular and widely available pattern.

Blotched
Pattern trait, various base colourscommon

Large, irregular patches of contrasting colour rather than a fine reticulated pattern or clean stripe. Every individual's blotching is fairly unique.

White Spotted
Line-breduncommon

Scattered small white or cream spots over a darker base colour. The density and distribution of spotting varies a lot between individuals within the line.

Red / Orange Flame
also: Tiger
Line-bred, colour intensityuncommon

Vivid orange to red base colouration, sometimes combined with dark tiger-like striping. Selectively bred for colour intensity over generations rather than tied to one simple gene.

Caramel / Buckskin
Line-bred, colour tonecommon

Warm tan to golden-brown base tones, often with subtle patterning. A softer, muted alternative to the higher-contrast black rain and white spotted lines.

Patternless
Line-bredrare

Largely solid-coloured body with minimal banding or blotching. Less common than in leopard geckos, where patternless is a well-established single-gene trait.