Reisinger's tree monitor (Varanus reisingeri)
Monitors & tegus · Difficulty: Expert
Key facts and care guidance for Reisinger's tree monitor (Varanus reisingeri) (origin: Misool, West Papua). Adult size around 75–95 cm. Life expectancy 12–18 years. The values below are carefully researched guidance.
Short answers
Reisinger's tree monitor: How big does the enclosure need to be?
150×80×180 cm.
Reisinger's tree monitor: What temperature does it need?
Daytime 27–31 °C, basking spot 40–45 °C, at night 22–24 °C.
Reisinger's tree monitor: Does it need UVB lighting?
UVB: Essential (UVB 6–10 %).
Reisinger's tree monitor: How long do they live?
Life expectancy: 12–18 years.
Reisinger's tree monitor: Is it suitable for beginners?
No – better suited to experienced keepers (difficulty: Expert).
Climate
- Daytime temperature
- 27–31 °C
- Night temperature
- 22–24 °C
- Basking spot
- 40–45 °C
- Humidity
- 70–85 %
- UVB
- Essential (UVB 6–10 %)
Enclosure
- Minimum size
- 150×80×180 cm
- Substrate
- Coco humus, sturdy climbing branches, cork tubes
Feeding
- Food
- Insects, nestlings, fish
- Feeding interval
- adults 2–3×/week
Key facts
- Adult size
- 75–95 cm
- Life expectancy
- 12–18 years
- Origin
- Misool, West Papua
- Protection status
- CITES II
- Brumation
- None
- Cohabitation
- Pairs possible in a very large enclosure. The reason: several males fight over territory and basking spot until one is injured or sits permanently in a corner. Females usually tolerate each other but need separate heat and hiding spots each; feed separately if sizes differ.
Notes
A green-and-yellow marked tree monitor, long treated as a colour form of V. prasinus. Care as for the other emerald monitors.
Do you keep this species?
Add your animal to Reptoria – Reptoria reminds you about feeding and shedding. Add your animal for free →
Look for Reisinger's tree monitor (Varanus reisingeri) in the marketplace →
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 Reisinger's tree monitor (Varanus reisingeri) you typically need: a suitable enclosure (150×80×180 cm), substrate (Coco humus, sturdy climbing branches, cork tubes), 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://en.wikipedia.org/wiki/Varanus_reisingeri, https://reptile-database.reptarium.cz/species?genus=Varanus&species=reisingeri
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).