Heath monitor (Varanus rosenbergi)
Monitors & tegus · Difficulty: Expert
Key facts and care guidance for Heath monitor (Varanus rosenbergi) (origin: South Australia (cool temperate: heath, forest, coastal dunes)). Adult size around up to ~1.3–1.5 m total length. Life expectancy up to ~20–30 years. The values below are carefully researched guidance.
Short answers
Heath monitor: How big does the enclosure need to be?
At least 200×100×100 cm for one animal; deep substrate they can dig in; an outdoor facility in summer is an advantage.
Heath monitor: What temperature does it need?
Daytime 26–32 °C, basking spot 45–55 °C, at night 15–20 °C.
Heath monitor: Does it need UVB lighting?
UVB: UVB needed (Ferguson zone 3, UV index 3–5).
Heath monitor: How long do they live?
Life expectancy: up to ~20–30 years.
Heath monitor: Is it suitable for beginners?
No – better suited to experienced keepers (difficulty: Expert).
Climate
- Daytime temperature
- 26–32 °C
- Night temperature
- 15–20 °C
- Basking spot
- 45–55 °C
- Humidity
- 40–60 % (a humid cave or retreat)
- UVB
- UVB needed (Ferguson zone 3, UV index 3–5)
Enclosure
- Minimum size
- at least 200×100×100 cm for one animal; deep substrate they can dig in; an outdoor facility in summer is an advantage
- Substrate
- A deep sand-loam mix they can dig in (for burrowing), rock structures, a water dish
Feeding
- Food
- Reptiles, rodents, birds or chicks, egg, large insects, carrion
- Feeding interval
- adults ~2×/week, juveniles every other day
Key facts
- Adult size
- up to ~1.3–1.5 m total length
- Life expectancy
- up to ~20–30 years
- Origin
- South Australia (cool temperate: heath, forest, coastal dunes)
- Protection status
- CITES Appendix II / EU Regulation Annex B; Australia: no commercial export of wild animals (EPBC Act) → captive-bred animals only
- Brumation
- Yes – a pronounced winter rest or torpor over several weeks (cool ~10–20 °C, short days); important for health and breeding
- Cohabitation
- Keep them singly; territorial and solitary, and males are never kept together. A pair only temporarily for breeding, with plenty of space and supervision.
Notes
From cool temperate regions → it needs marked seasonal cooling and a winter rest (unlike tropical monitors). Rare in captivity; captive-bred animals only.
Do you keep this species?
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Related species
- Argus monitor (Varanus panoptes) – Expert
- Bengal monitor (Varanus bengalensis) – Expert
- Blue tree monitor (Varanus macraei) – Expert
- Blue-tailed monitor (Varanus doreanus) – Intermediate to expert
- Finsch's monitor (Varanus doreanus finschi) – Expert
- Boatsi tree monitor (Varanus boatsi) – Expert
- Bogert's tree monitor (Varanus bogerti) – Expert
- Lace monitor (Varanus varius) – Expert
What you need to start
To keep Heath monitor (Varanus rosenbergi) you typically need: a suitable enclosure (at least 200×100×100 cm for one animal; deep substrate they can dig in; an outdoor facility in summer is an advantage), substrate (A deep sand-loam mix they can dig in (for burrowing), rock structures, a water dish), 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/Rosenberg-Waran, https://reptile-database.reptarium.cz/species?genus=Varanus&species=rosenbergi
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).