Forsten's tortoise (Indotestudo forstenii)
Turtles & tortoises · Difficulty: Expert
Key facts and care guidance for Forsten's tortoise (Indotestudo forstenii) (origin: Sulawesi, Halmahera – rainforest). Adult size around 20–30 cm. Life expectancy 40–60 years. The values below are carefully researched guidance.
Short answers
Forsten's tortoise: How big does the enclosure need to be?
From 200×100 cm floor space for one animal; for a pair from 200×100 cm (1997 expert report, at 25 cm shell length).
Forsten's tortoise: What temperature does it need?
Daytime 25–30 °C, basking spot 34 °C, at night 21–24 °C.
Forsten's tortoise: Does it need UVB lighting?
UVB: Essential (UVB 6 %).
Forsten's tortoise: How long do they live?
Life expectancy: 40–60 years.
Forsten's tortoise: Is it suitable for beginners?
No – better suited to experienced keepers (difficulty: Expert).
Climate
- Daytime temperature
- 25–30 °C
- Night temperature
- 21–24 °C
- Basking spot
- 34 °C
- Humidity
- 75–90 %
- UVB
- Essential (UVB 6 %)
Enclosure
- Minimum size
- from 200×100 cm floor space for one animal; for a pair from 200×100 cm (1997 expert report, at 25 cm shell length)
- Substrate
- Damp coco humus with a thick layer of leaf litter
Feeding
- Food
- Greens, windfall fruit, fungi, a little animal protein
- Feeding interval
- plant food daily
Key facts
- Adult size
- 20–30 cm
- Life expectancy
- 40–60 years
- Origin
- Sulawesi, Halmahera – rainforest
- Protection status
- CITES II; severely threatened
- Brumation
- None
- Cohabitation
- Keeping singly, or a pair if the male can be removed as soon as it harasses the female - a second enclosure should be planned for. Those with more space keep one male with several females, spreading out the courtship pressure.
Notes
A forest turtle with a very high humidity requirement, rare in captivity and tricky. Wild-caught animals are usually heavily parasitised and often do not survive.
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Related species
- Elongated tortoise (Indotestudo elongata) – Intermediate
- Aldabra giant tortoise (Aldabrachelys gigantea) – Expert
- Asian forest tortoise (Manouria emys) – Intermediate to expert
- Burmese star tortoise (Geochelone platynota) – Intermediate
- Chaco tortoise (Chelonoidis chilensis) – Intermediate
- Gopher tortoise (Gopherus polyphemus) – Expert
- Impressed tortoise (Manouria impressa) – Expert
- Red-footed tortoise (Chelonoidis carbonaria) – Intermediate
What you need to start
To keep Forsten's tortoise (Indotestudo forstenii) you typically need: a suitable enclosure (from 200×100 cm floor space for one animal; for a pair from 200×100 cm (1997 expert report, at 25 cm shell length)), substrate (Damp coco humus with a thick layer of leaf litter), 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: 30 October 2026 · Editor: Reptoria editorial team · Sources include: https://en.wikipedia.org/wiki/Forsten%27s_tortoise, https://en.wikipedia.org/wiki/Indotestudo, https://de.wikipedia.org/wiki/Gelbkopfschildkr%C3%B6te
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).