Reptoria

Merauke blue-tongued skink (Tiliqua gigas evanescens)

Merauke blue-tongued skink (Tiliqua gigas evanescens) in a terrarium

Skinks · Difficulty: Intermediate

Key facts and care guidance for Merauke blue-tongued skink (Tiliqua gigas evanescens) (origin: Southern New Guinea (Merauke)). Adult size around 55–75 cm total length (the longest of all blue-tongued skink forms; tail makes up about half, snout–vent length 30–35 cm). Life expectancy 15–20 years on average, over 30 years with good care. The values below are carefully researched guidance.

Short answers

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

180×80×80 cm for a single animal, more is better (Swiss recommendation: 7× snout–vent length in length, 4× in width, 3× in height).

Merauke blue-tongued skink: What temperature does it need?

Daytime 26–32 °C, basking spot 38 °C, at night 22–24 °C.

Merauke blue-tongued skink: Does it need UVB lighting?

UVB: Essential (UVB 6–10 %).

Merauke blue-tongued skink: How long do they live?

Life expectancy: 15–20 years on average, over 30 years with good care.

Merauke 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
22–24 °C
Basking spot
38 °C
Humidity
60–80 %
UVB
Essential (UVB 6–10 %)

Enclosure

Minimum size
180×80×80 cm for a single animal, more is better (Swiss recommendation: 7× snout–vent length in length, 4× in width, 3× in height)
Substrate
Damp coco humus or bark mulch, hides

Feeding

Food
Mixed diet: roughly half plant-based (leafy greens, vegetables, little fruit), half animal-based (insects, snails, high-quality wet food, boiled egg)
Feeding interval
adults 1–2×/week, subadults 3×/week, juveniles daily

Key facts

Adult size
55–75 cm total length (the longest of all blue-tongued skink forms; tail makes up about half, snout–vent length 30–35 cm)
Life expectancy
15–20 years on average, over 30 years with good care
Origin
Southern New Guinea (Merauke)
Protection status
Not listed under CITES
Brumation
None
Cohabitation
Keep them strictly singly. Territorial: males in particular fight in earnest and injure their heads and limbs in the process. For breeding, put them together under supervision and separate them again afterwards.

Notes

The longest blue-tongue form, with a long tail. It needs more humidity than the Australian relatives.

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Related species

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What you need to start

To keep Merauke blue-tongued skink (Tiliqua gigas evanescens) you typically need: a suitable enclosure (180×80×80 cm for a single animal, more is better (Swiss recommendation: 7× snout–vent length in length, 4× in width, 3× in height)), substrate (Damp coco humus or bark mulch, hides), 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: 2 November 2026 · Editor: Reptoria editorial team · Sources include: thebiodude.com, reptifiles.com, cites.org, einrichtungsbeispiele.de, reptilienkosmos.de

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).