Reptoria

Forsten's tortoise (Indotestudo forstenii)

Forsten's tortoise (Indotestudo forstenii), typical appearance of the species

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

All species in the care wiki →

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).