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Leachianus Gecko

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The world's largest living gecko, a heavy-bodied New Caledonian giant with mottled bark-like camouflage of gray, green, and brown. It is a long-lived, deliberate climber with a surprisingly loud growl.

Weight0.4โ€“0.8 lb (0.2โ€“0.35 kg)
Lifespan20โ€“30 years
Energy
Grooming

Temperament

CalmIndependentAlertHardy

Common health issues

  • Shedding problems
  • Mouth rot
  • Dehydration
  • Nutritional deficiency

Care at a glance

  • ExerciseLow

    Mostly a sit-and-watch animal โ€” good hides and enrichment matter more than exercise.

  • GroomingEasy upkeep

    No grooming needed โ€” keep the enclosure clean and conditions right.

  • Living spaceMid-size terrarium

    Needs a mid-size terrarium with room to explore.

  • Owner experienceSome experience helps

    A little know-how makes life smoother.

  • Commitment20โ€“30 years

    Plan for a long, loving relationship.

Health to watch: Shedding problems ยท Mouth rot ยท Dehydration

๐Ÿ“– Care guide

Endemic to New Caledonia, the leachianus or giant gecko reaches 30-43 cm and is remarkably long-lived, often surpassing 20-30 years. Its lichen-and-bark coloration renders it nearly invisible against tree trunks, and different island locales vary in size and pattern. Adults can be territorial and vocal, and some individuals are nippy, though many become tolerant with routine. House a single adult in a tall, sturdy 60x45x90 cm planted terrarium with thick cork tubes and branches for climbing and hiding. Keep cooler arboreal temperatures of 22-27 C, avoiding sustained heat above 29 C, with a nighttime drop and optional low UVB. Maintain 60-75% humidity via misting with good airflow. Feed a complete powdered crested-gecko diet as the base, supplemented with dusted insects and, for adults, occasional pink mice. Handle sparingly and let the animal grip your hand rather than restraining it.

Frequently asked questions

  • How active is a Leachianus Gecko?

    Low. Mostly a sit-and-watch animal โ€” good hides and enrichment matter more than exercise.

  • How demanding is Leachianus Gecko care?

    Easy upkeep. No grooming needed โ€” keep the enclosure clean and conditions right.

  • What enclosure does a Leachianus Gecko need?

    Mid-size terrarium. Needs a mid-size terrarium with room to explore.

  • Is a Leachianus Gecko a good fit for first-time owners?

    Some experience helps. A little know-how makes life smoother.

  • How long do Leachianus Gecko live?

    20โ€“30 years. Plan for a long, loving relationship.

  • What health issues affect the Leachianus Gecko?

    Keep an eye out for Shedding problems, Mouth rot, Dehydration. These are worth raising with your vet, along with any screening they recommend.

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Leachianus Gecko ยท NetForPet