Giant Asian pond turtle (Heosemys grandis)
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
- Spiny turtle (Heosemys spinosa) – Expert
- Annam leaf turtle (Mauremys annamensis) – Intermediate
- Asian leaf turtle (Cyclemys dentata) – Intermediate
- Chinese striped-neck turtle (Mauremys sinensis) – Beginner to intermediate
- Reeves' turtle (Mauremys reevesii) – Beginner
- Yellow pond turtle (Mauremys mutica) – Intermediate
- Indian black turtle (Melanochelys trijuga) – Intermediate
- Japanese pond turtle (Mauremys japonica) – Intermediate
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).