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Mountain skink (Plestiodon callicephalus)

Mountain skink (Plestiodon callicephalus), typical appearance of the species

Skinks · Difficulty: Beginner with some knowledge

Key facts and care guidance for Mountain skink (Plestiodon callicephalus) (origin: Arizona and northern Mexico). Adult size around 13–18 cm. Life expectancy 6–12 years. The values below are carefully researched guidance.

Short answers

Mountain skink: How big does the enclosure need to be?

100×50×50 cm for a group.

Mountain skink: What temperature does it need?

Daytime 24–30 °C, basking spot Basking spot 35–40 °C, at night 16–20 °C.

Mountain skink: Does it need UVB lighting?

UVB: Recommended (UVB 5.0–10.0).

Mountain skink: How long do they live?

Life expectancy: 6–12 years.

Mountain skink: Is it suitable for beginners?

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

Climate

Daytime temperature
24–30 °C
Night temperature
16–20 °C
Basking spot
Basking spot 35–40 °C
Humidity
50–70 %
UVB
Recommended (UVB 5.0–10.0)

Enclosure

Minimum size
100×50×50 cm for a group
Substrate
A forest-floor and sand mix they can dig in, with leaf litter, bark and flat stones

Feeding

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

Key facts

Adult size
13–18 cm
Life expectancy
6–12 years
Origin
Arizona and northern Mexico
Protection status
Not listed under CITES
Brumation
A winter rest of 10–14 weeks at 6–12 °C — these species come from regions with a real winter
Cohabitation
1.2; never keep males together. The reason: several males fight over territory and the warm spot until one is injured or spends its life in a corner. Females usually get on, but each needs its own warm spot and hide; feed them separately once they differ in size.

Notes

A gorge-forest species; it likes shade and humidity.

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Related species

All species in the care wiki →

What you need to start

To keep Mountain skink (Plestiodon callicephalus) you typically need: a suitable enclosure (100×50×50 cm for a group), substrate (A forest-floor and sand mix they can dig in, with leaf litter, bark and flat stones), 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: 9 October 2026 · Editor: Reptoria editorial team · Sources include: tucsonherpsociety.info, Wikipedia EN, eu_annex.txt (lokal, VO (EU) 2026/1383), gutachten.txt (BML 1997), nhnm.unm.edu

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).