Species Detail
New Caledonian Giant Gecko
Geckos

New Caledonian Giant Gecko

Rhacodactylus leachianus

Habitat

Humid tropical forests

Range

New Caledonia

Adult Size

14-17 in (36-43 cm)

Diet

Fruit, nectar, insects, small vertebrates

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Conservation status:Least Concern

About this species

The world's largest gecko, also called the Leachie gecko. Nocturnal and arboreal with a stocky build and rough skin.

Enrichment & behavioral stimulation

New Caledonian Giant Gecko is arboreal โ€” enrichment focuses on vertical climbing, elevated feeding, and humidity-driven activity.

  • Provide tall vertical cork bark, bamboo, and diagonals to encourage climbing, clinging, and patrolling.
  • Add broad-leafed live or silk foliage and vines for resting, camouflage, and jumping routes.
  • Offer food on elevated feeding ledges at different heights to spread foraging across the enclosure.
  • Mist in the evening to prompt drinking, raise humidity, and trigger natural hunting activity.
  • Tuck small insects among foliage so the gecko stalks through the canopy.
  • Periodically reposition branches and foliage to create novel climbing paths.

Housing & Social Behavior

Variable

Pairs can be successful, but some individuals are highly aggressive and must be separated.

Housing guidance is general and based on species-typical behavior; always verify against current husbandry references and observe individual temperament.