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New Caledonian Giant Gecko

New Caledonian Giant Gecko

The New Caledonian Giant Gecko is one of the largest gecko species in the world, reaching an impressive 35 to 43 cm as an adult with a solid, substantial build. Its skin has a soft, almost squishy texture, and calm individuals often reveal a surprisingly low, distinctive vocalization after dark. A close relative of the crested gecko and other New Caledonian species, it can form a real bond with a patient keeper. Considered suitable for intermediate keepers, success comes down to getting the fundamentals of its habitat right from the start.

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New Caledonian Giant Gecko key facts

Care level
Intermediate
Lifespan
15-20+ years
Size
35-43cm
Temperature
22〜27℃
Humidity
50〜70%
Diet
Omnivore (prepared diet plus insects and fruit)
Enclosure
Arboreal; tall 45x45x60cm+ with thick climbing branches
Temperature
22-27°C; above 30°C is dangerous
Humidity
50-70%; mist 1-2x daily
Feeding
Mainly crested-gecko prepared diet, supplemented with insects
Handling
Strong and may bite; tame gradually
Health & Cautions
Not listed in CITES, but its homeland bans wild exports, so captive-bred animals dominate the trade. No registration is required to keep or transfer it within Japan.
TraitsWorld's largest geckoArborealPrepared diet OKNew Caledonia

About New Caledonian Giant Gecko

Meet the New Caledonian Giant Gecko, one of the world's largest gecko species — its traits, temperament, and keeping essentials explained.

7 things to know before welcoming a New Caledonian Giant Gecko

  1. 1Needs a Large Enclosure

    Adults reach 35 to 43 cm, so a standard small gecko enclosure quickly becomes too cramped. Plan ahead with a tall, spacious tank that allows plenty of vertical climbing space as your gecko grows.

  2. 2Nocturnal and Active at Night

    This species is primarily nocturnal and tends to stay hidden and still during the day. If you want to observe its activity, quietly checking in during the evening hours is the best approach.

  3. 3May Vocalize With a Low Sound

    When startled or displaying defensive behavior, this gecko can produce a distinctive low vocalization — a trait unique to the species. It's worth being prepared for this as part of its nighttime presence.

  4. 4Prefers High Humidity

    Native to the humid forests of New Caledonia, this gecko needs consistently high humidity in its enclosure. Daily misting combined with proper ventilation helps maintain the right balance.

  5. 5Can Become People-Friendly

    Individual temperament varies, but many are known to be calm and to adapt well to gentle handling over time. Building trust gradually, without rushing, tends to work best.

  6. 6Requires Long-Term Commitment

    With a lifespan of 15 to 20 years or more, welcoming this gecko means committing to long-term care and planning your living situation accordingly.

  7. 7Establish Regular Health Checks

    Make it a habit to observe daily signs such as appetite, shedding, and body condition. If anything seems off, consult a reptile-experienced veterinarian promptly.

Frequently asked questions about New Caledonian Giant Gecko

Q.Can beginners keep a New Caledonian Giant Gecko?
A.This species is generally considered suitable for intermediate keepers. It requires a large enclosure and careful humidity management, so gaining some reptile-keeping experience first is recommended.
Q.How big does it grow?
A.Adults typically reach around 35 to 43 cm, making it one of the largest gecko species in the world. Be sure to prepare an enclosure sized for this growth in advance.
Q.How long can I expect to keep one?
A.Its lifespan is estimated at 15 to 20 years or more, so it's a long-term companion. Consider your future living situation before bringing one home.
Q.Does it really make sounds?
A.Yes, it can produce a low vocalization when startled or displaying defensive behavior. This is a known trait of the species and may be heard at night.
Q.Are there any legal restrictions?
A.The New Caledonian Giant Gecko is not listed under CITES. This may be useful information when choosing a species.

Useful tools for New Caledonian Giant Gecko care

🦎Reptile Temperature CalculatorView basking, cool-side, night temps, humidity & UVB requirements by species🧬Morph Genetics CalculatorCalculate morph breeding outcomes for leopard geckos & ball pythons📅Breeding CalendarVisual monthly breeding season guide for each species🍽️Feeding GuideCheck feeding frequency, portion sizes & supplements by species and growth stage🗓️Seasonal Care CalendarMonthly care events and seasonal management tips at a glanceElectricity Cost SimulatorCalculate monthly and annual electricity costs for care equipment with presets🧬Breeding PlannerSelect parent varieties to view breeding schedules and offspring patterns🧮Care Cost SimulatorEstimate initial, monthly & annual costs by category, care level and quantity⚖️Species Comparison ToolCompare two species side by side: care difficulty, size, lifespan & temperature🎯Pet Match DiagnosticAnswer 7 questions to find your top 3 perfect pets📋Lifetime Cost SimulatorEstimate lifespan and lifetime costs by species for dogs, cats, reptiles and more🚚Transport Safety CheckerCheck transport safety score and precautions by category, season, method and distance🏠Multi-Pet Budget PlannerPlan budget for multiple pets with shared and individual cost breakdown💊Medication Dosage CalculatorCalculate proper medication dosage by body weight and medicine type for fish, reptiles, and small animals⏱️Quarantine & Acclimation TimerManage quarantine periods and acclimation steps with countdown timers. Includes recommended durations by species

Learn more about New Caledonian Giant Gecko in the encyclopedia

View New Caledonian Giant Gecko encyclopedia entry →

Care difficulty, lifespan, size and diet — all basics covered.

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