Reptoria

Southern alligator lizard (Elgaria multicarinata)

Southern alligator lizard (Elgaria multicarinata), typical appearance of the species

Lizards · Difficulty: Beginner

Key facts and care guidance for Southern alligator lizard (Elgaria multicarinata) (origin: California to Washington (USA)). Adult size around 25–40 cm total length. Life expectancy 10–15 years. The values below are carefully researched guidance.

Short answers

Southern alligator lizard: How big does the enclosure need to be?

80×40×40 cm.

Southern alligator lizard: What temperature does it need?

Daytime 22–28 °C, basking spot 35 °C, at night 13–18 °C.

Southern alligator lizard: Does it need UVB lighting?

UVB: Essential (UVB 5.0–10.0).

Southern alligator lizard: How long do they live?

Life expectancy: 10–15 years.

Southern alligator lizard: Is it suitable for beginners?

Yes – it is considered suitable for beginners (difficulty: Beginner).

Climate

Daytime temperature
22–28 °C
Night temperature
13–18 °C
Basking spot
35 °C
Humidity
55–70 %
UVB
Essential (UVB 5.0–10.0)

Enclosure

Minimum size
80×40×40 cm
Substrate
Forest floor and sand with leaf litter, pieces of bark, low branches

Feeding

Food
House crickets, crickets, earthworms, slugs
Feeding interval
3×/week

Key facts

Adult size
25–40 cm total length
Life expectancy
10–15 years
Origin
California to Washington (USA)
Protection status
Not listed under CITES
Brumation
A winter rest of 10–14 weeks at 6–12 °C
Cohabitation
A pair; keep males strictly apart. 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

Elongated with a distinct lateral fold and a prehensile tail. To be kept cooler than most terrarium lizards, and with a genuine winter rest. It bites firmly when pressed.

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Related species

All species in the care wiki →

What you need to start

To keep Southern alligator lizard (Elgaria multicarinata) you typically need: a suitable enclosure (80×40×40 cm), substrate (Forest floor and sand with leaf litter, pieces of bark, low branches), 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: https://de.wikipedia.org/wiki/S%C3%BCdliche_Krokodilschleiche, https://reptile-database.reptarium.cz/species?genus=Elgaria&species=multicarinata

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).