Reptoria

Giant Asian pond turtle (Heosemys grandis)

Giant Asian pond turtle (Heosemys grandis), typical appearance of the species

Turtles & tortoises · Difficulty: Expert

Key facts and care guidance for Giant Asian pond turtle (Heosemys grandis) (origin: South-East Asia). Adult size around 35–48 cm. Life expectancy 40–60 years. The values below are carefully researched guidance.

Short answers

Giant Asian pond turtle: How big does the enclosure need to be?

250×120 cm with a large water section.

Giant Asian pond turtle: What temperature does it need?

Daytime 24–30 °C, basking spot 33 °C, at night 20–24 °C.

Giant Asian pond turtle: Does it need UVB lighting?

UVB: Essential (UVB 6 %).

Giant Asian pond turtle: How long do they live?

Life expectancy: 40–60 years.

Giant Asian pond turtle: Is it suitable for beginners?

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

Climate

Daytime temperature
24–30 °C
Night temperature
20–24 °C
Basking spot
33 °C
Humidity
75–90 %
UVB
Essential (UVB 6 %)

Enclosure

Minimum size
250×120 cm with a large water section
Substrate
Damp forest floor, a shallow water section for bathing

Feeding

Food
Mostly plant-based (greens, fruit), a little fish and snails
Feeding interval
plant food daily

Key facts

Adult size
35–48 cm
Life expectancy
40–60 years
Origin
South-East Asia
Protection status
CITES II; severely threatened
Brumation
None
Cohabitation
Single housing is the least stressful. Several animals only make sense in very large facilities: one male with several females and the option to separate the male temporarily. Two males harass each other and the females; with constant courtship a female visibly loses weight.

Notes

A very large, semi-aquatic forest turtle – the space requirement is enormous and is almost always underestimated. Only with clean proof of captive breeding.

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Related species

All species in the care wiki →

What you need to start

To keep Giant Asian pond turtle (Heosemys grandis) you typically need: a suitable enclosure (250×120 cm with a large water section), substrate (Damp forest floor, a shallow water section for bathing), 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: 8 November 2026 · Editor: Reptoria editorial team · Sources include: Reptile Database: Heosemys grandis – oviparous, TSD (Cornejo-Páramo et al. 2020; Goode & Ewert 2006 zu Zucht in Gefangenschaft) – https://reptile-database.reptarium.cz/species?genus=Heosemys&species=grandis, Wikipedia: Giant Asian pond turtle – https://en.wikipedia.org/wiki/Giant_Asian_pond_turtle, https://en.wikipedia.org/wiki/Giant_Asian_pond_turtle, https://reptile-database.reptarium.cz/species?genus=Heosemys&species=grandis, https://www.ecologyasia.com/verts/turtles/giant-leaf-terrapin.htm

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).