Baja collared lizard (Crotaphytus vestigium)
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
- Venerable collared lizard (Crotaphytus antiquus) – Expert
- Grismer's collared lizard (Crotaphytus grismeri) – Expert
- Dickerson's collared lizard (Crotaphytus dickersonae) – Intermediate
- Great Basin collared lizard (Crotaphytus bicinctores) – Intermediate
- Common collared lizard (Crotaphytus collaris) – Intermediate
- Baja California collared lizard (Crotaphytus insularis) – Expert
- Reticulate collared lizard (Crotaphytus reticulatus) – Intermediate
- Sonoran collared lizard (Crotaphytus nebrius) – Intermediate
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).