Reptoria

Baja collared lizard (Crotaphytus vestigium)

Baja collared lizard (Crotaphytus vestigium), typical appearance of the species

Iguanas · Difficulty: Intermediate

Key facts and care guidance for Baja collared lizard (Crotaphytus vestigium) (origin: Southern California and Baja California – rocky desert). Adult size around 25–33 cm. Life expectancy 8–12 years. The values below are carefully researched guidance.

Short answers

Baja collared lizard: How big does the enclosure need to be?

150×80×80 cm for a pair.

Baja collared lizard: What temperature does it need?

Daytime 28–34 °C, basking spot 45–50 °C at the basking spot, at night 18–22 °C.

Baja collared lizard: Does it need UVB lighting?

UVB: Essential (UVB 10.0, a very high requirement).

Baja collared lizard: How long do they live?

Life expectancy: 8–12 years.

Baja collared lizard: Is it suitable for beginners?

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

Climate

Daytime temperature
28–34 °C
Night temperature
18–22 °C
Basking spot
45–50 °C at the basking spot
Humidity
30–45 %
UVB
Essential (UVB 10.0, a very high requirement)

Enclosure

Minimum size
150×80×80 cm for a pair
Substrate
A sand-loam mix they can dig in, with securely built rock slabs and stone structures on top

Feeding

Food
Robust insects; larger animals also take small lizards; calcium and vitamins regularly
Feeding interval
adults 3–4×/week

Key facts

Adult size
25–33 cm
Life expectancy
8–12 years
Origin
Southern California and Baja California – rocky desert
Protection status
Not listed under CITES; IUCN "Least Concern"
Brumation
A cooler rest of 8–10 weeks at 12–16 °C
Cohabitation
1.1 or 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

Recognisable by the continuous black collar, which in the other species is broken by a paler section. Care as for the collared lizard. Barely present in German-speaking collections — anyone looking for the species must expect a long search and few bloodlines.

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Related species

All species in the care wiki →

What you need to start

To keep Baja collared lizard (Crotaphytus vestigium) you typically need: a suitable enclosure (150×80×80 cm for a pair), substrate (A sand-loam mix they can dig in, with securely built rock slabs and stone structures on top), 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: en.wikipedia.org, californiaherps.com, einrichtungsbeispiele.de, eu_annex.txt (lokal), gutachten.txt (BML 1997, lokal)

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).