Reptoria

Torch monitor (Varanus obor)

Torch monitor (Varanus obor) in a terrarium

Monitors & tegus · Difficulty: Expert

Key facts and care guidance for Torch monitor (Varanus obor) (origin: Sanana (the Moluccas, Indonesia)). Adult size around 100–120 cm total length. Life expectancy 10–15 years. The values below are carefully researched guidance.

Short answers

Torch monitor: How big does the enclosure need to be?

150×80×150 cm (height).

Torch monitor: What temperature does it need?

Daytime 27–33 °C, basking spot 40 °C, at night 22–25 °C.

Torch monitor: Does it need UVB lighting?

UVB: Essential (UVB 10.0).

Torch monitor: How long do they live?

Life expectancy: 10–15 years.

Torch monitor: Is it suitable for beginners?

No – better suited to experienced keepers (difficulty: Expert).

Climate

Daytime temperature
27–33 °C
Night temperature
22–25 °C
Basking spot
40 °C
Humidity
75–90 %
UVB
Essential (UVB 10.0)

Enclosure

Minimum size
150×80×150 cm (height)
Substrate
Coco humus soil, sturdy climbing branches, cork tubes, a water section

Feeding

Food
Insects, roaches, crayfish, nestlings, fish
Feeding interval
3×/week

Key facts

Adult size
100–120 cm total length
Life expectancy
10–15 years
Origin
Sanana (the Moluccas, Indonesia)
Protection status
CITES II; a very small island range
Brumation
None
Cohabitation
Pairs work, but keep males strictly separate. 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

Described in 2010: a jet-black body with a brilliant fire-red head. It lives in coastal sago swamps and goes into the water – a water section is part of the setup. In Europe in only a few breeding groups.

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Related species

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What you need to start

To keep Torch monitor (Varanus obor) you typically need: a suitable enclosure (150×80×150 cm (height)), substrate (Coco humus soil, sturdy climbing branches, cork tubes, a water section), 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: 25 September 2026 · Editor: Reptoria editorial team · Sources include: https://en.wikipedia.org/wiki/Sago_monitor, https://reptile-database.reptarium.cz/species?genus=Varanus&species=obor

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).