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Kei Island blue-tongued skink (Tiliqua gigas keyensis)

Kei Island blue-tongued skink (Tiliqua gigas keyensis) in a terrarium

Skinks · Difficulty: Intermediate

Key facts and care guidance for Kei Island blue-tongued skink (Tiliqua gigas keyensis) (origin: The Kai Islands (Indonesia)). Adult size around 45–55 cm total length. Life expectancy 15–25 years. The values below are carefully researched guidance.

Short answers

Kei Island blue-tongued skink: How big does the enclosure need to be?

150×70×60 cm.

Kei Island blue-tongued skink: What temperature does it need?

Daytime 26–32 °C, basking spot 40 °C, at night 21–24 °C.

Kei Island blue-tongued skink: Does it need UVB lighting?

UVB: Essential (UVB 10.0).

Kei Island blue-tongued skink: How long do they live?

Life expectancy: 15–25 years.

Kei Island blue-tongued skink: Is it suitable for beginners?

Rather not – it is considered an intermediate species (difficulty: Intermediate).

Climate

Daytime temperature
26–32 °C
Night temperature
21–24 °C
Basking spot
40 °C
Humidity
60–75 %
UVB
Essential (UVB 10.0)

Enclosure

Minimum size
150×70×60 cm
Substrate
Soil and bark mulch with leaf litter, cork tubes, a large water dish

Feeding

Food
Insects, snails, fruit, leafy greens, occasionally meat
Feeding interval
2–3×/week

Key facts

Adult size
45–55 cm total length
Life expectancy
15–25 years
Origin
The Kai Islands (Indonesia)
Protection status
Not listed under CITES; observe Indonesia's export quotas
Brumation
None
Cohabitation
Solitary housing (except for controlled breeding introductions): several males fight over territory and basking spots until one is injured or permanently pushed into a corner.

Notes

A boldly marked island form with orange flanks. To be kept more humid than the Australian blue-tongues. Like all Tiliqua, strictly singly – animals of its own kind are seriously injured.

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Related species

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What you need to start

To keep Kei Island blue-tongued skink (Tiliqua gigas keyensis) you typically need: a suitable enclosure (150×70×60 cm), substrate (Soil and bark mulch with leaf litter, cork tubes, a large water dish), a heat source with a thermostat, UVB lighting, thermometer and hygrometer, a water dish and hides. You will find equipment in the Reptoria marketplace.

The complete, interactive care database is in the Reptoria app.

Last updated: 25 September 2026 · Editor: Reptoria editorial team · Sources include: https://en.wikipedia.org/wiki/Tiliqua_gigas, https://www.reptco.co.uk/images/files/Indonesian%20Blue%20Tongue%20Skink%20Care%20Sheet.pdf

All values are non-binding guidance and do not replace expert advice. Research thoroughly from several sources before acquiring and keeping an animal, and observe the applicable law (species and animal protection in particular).