Reptoria

Blue-tongued water skink (Tropidophorus cocincinensis)

Blue-tongued water skink (Tropidophorus cocincinensis) in a terrarium

Skinks · Difficulty: Beginner with some knowledge

Key facts and care guidance for Blue-tongued water skink (Tropidophorus cocincinensis) (origin: Vietnam and Cambodia). Adult size around 15–20 cm. Life expectancy 6–12 years. The values below are carefully researched guidance.

Short answers

Blue-tongued water skink: How big does the enclosure need to be?

100×50×50 cm for a group.

Blue-tongued water skink: What temperature does it need?

Daytime 24–28 °C, basking spot No basking spot — warm corner up to 29 °C, at night 20–22 °C.

Blue-tongued water skink: Does it need UVB lighting?

UVB: Low-output UVB recommended (UVB 5.0, Ferguson zone 1–2).

Blue-tongued water skink: How long do they live?

Life expectancy: 6–12 years.

Blue-tongued water skink: Is it suitable for beginners?

Partly – manageable with some prior knowledge (difficulty: Beginner with some knowledge).

Climate

Daytime temperature
24–28 °C
Night temperature
20–22 °C
Basking spot
No basking spot — warm corner up to 29 °C
Humidity
80–95 %
UVB
Low-output UVB recommended (UVB 5.0, Ferguson zone 1–2)

Enclosure

Minimum size
100×50×50 cm for a group
Substrate
Forest-floor substrate, permanently damp, with a large water section

Feeding

Food
Crickets, house crickets, roaches and earthworms, dusted regularly with calcium and vitamins
Feeding interval
adults 3×/week

Key facts

Adult size
15–20 cm
Life expectancy
6–12 years
Origin
Vietnam and Cambodia
Protection status
Not listed under CITES
Brumation
No winter rest; somewhat cooler and drier in winter
Cohabitation
1.2; never males together. The reason: several males fight over territory and the best hiding places until one is injured or permanently confined to a corner. Females usually get along but need their own hiding places each; feed separately if there is a size difference.

Notes

It lives along streams and goes into the water. It needs a large, shallow water section.

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Related species

All species in the care wiki →

What you need to start

To keep Blue-tongued water skink (Tropidophorus cocincinensis) you typically need: a suitable enclosure (100×50×50 cm for a group), substrate (Forest-floor substrate, permanently damp, with a large water section), 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: 23 September 2026 · Editor: Reptoria editorial team · Sources include: reptilienkosmos.de, Wikipedia EN, eu_annex.txt (lokal, VO (EU) 2026/1383), gutachten.txt (BML 1997, lokal), milii.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).