Tropical arboreal lizard
Day gecko
Phelsuma
Kept the same way as the veiled chameleon, Chinese water dragon and green anole, so they share one kit: the same heat, light, and humidity, sized to the animal.
Care sheet
What it needs
We have taken these figures from published sources and are still checking them against our own experience. Treat them as a guide, and ask us before you buy.
Day gecko is not one animal. A genus (Phelsuma). P. grandis is the one usually meant. The figures below span the group, so ask us which one you have before you buy the heating.
- Basking surface
- 29 to 33°C Measured on the surface the animal lies on, not in the air.
- Daytime air
- 25 to 31°C The cool end, away from the lamp.
- Night air
- 21 to 25°C
- UV index at the basking spot
- 2.9 to 7.4 Zone 3. Open or partial sun basker, thermoregulator
- Humidity
- 55 to 75%
- Daylight hours
- 13 h in summer, 11 h in winter
- Winter
- Cooling A cooler period: activity and feeding drop, but the animal stays awake.
- Where it lives
- Foliage or shrubs, Arboreal
- Adult length
- 10 to 28 cm
- When it is active
- Diurnal
- How it lives
- Arboreal
- Typical captive life
- 15 years
Our reading of the literature, not veterinary advice. Animals vary, and so do rooms, so take these figures, and any setup the builder puts together, as a starting point, and ask a reptile vet about your own animal. Where the figures come from.
From the catalogue
Gear that suits a day gecko
Chosen for tropical arboreal lizard. The setup builder puts the whole kit together, sized to the animal, with the reason for each piece.
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Where the figures come from
- ReptiFiles, 'Giant Day Gecko Care Sheet' (Phelsuma grandis) (updated 2026-06-20) ReptiFiles.
- ReptiFiles, 'Giant Day Gecko Care Sheet' ReptiFiles.
- Reptiles Magazine, 'Caring for Giant Day Geckos' Reptiles Magazine.
- reptifiles.com
- reptifiles.com
- reptifiles.com
- animaldiversity.org
- cdn.sanity.io
- cdn.sanity.io
- How much UV-B does my reptile need? The UV-Tool, a guide to the selection of UV lighting for reptiles and amphibians in captivity Baines FM, Chattell J, Dale J, Garrick D, Gill I, Goetz M, Skelton T, Swatman M. Journal of Zoo and Aquarium Research 4(1): 42-63.