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Neon day gecko (Phelsuma klemmeri)

Neon day gecko (Phelsuma klemmeri), typical appearance of the species

Geckos · Difficulty: Intermediate

Key facts and care guidance for Neon day gecko (Phelsuma klemmeri) (origin: North-western Madagascar (coastal forest, bamboo); threatened in the wild). Adult size around ~9–10 cm total length (a dwarf day gecko). Life expectancy ~10 years (up to 15). The values below are carefully researched guidance.

Short answers

Neon day gecko: How big does the enclosure need to be?

30×30×45 cm for a single animal; at least 45×45×60 cm for a pair, more like 60×40×80 cm for a harem group (vertical, with plenty of bamboo tubes).

Neon day gecko: What temperature does it need?

Daytime 25–28 °C (cooler zone ~24 °C), basking spot 30–32 °C, at night 20–22 °C.

Neon day gecko: Does it need UVB lighting?

UVB: UVB needed (Ferguson zone 2–3, UV index 2–3); diurnal.

Neon day gecko: How long do they live?

Life expectancy: ~10 years (up to 15).

Neon day gecko: Is it suitable for beginners?

Rather not – it is considered an intermediate species (difficulty: Intermediate).

Climate

Daytime temperature
25–28 °C (cooler zone ~24 °C)
Night temperature
20–22 °C
Basking spot
30–32 °C
Humidity
60–80 %
UVB
UVB needed (Ferguson zone 2–3, UV index 2–3); diurnal

Enclosure

Minimum size
30×30×45 cm for a single animal; at least 45×45×60 cm for a pair, more like 60×40×80 cm for a harem group (vertical, with plenty of bamboo tubes)
Substrate
Bioactive or coco substrate, dense planting, plenty of bamboo tubes (a bamboo dweller)

Feeding

Food
Small insects (fruit flies, micro crickets) plus fruit purée or nectar; calcium
Feeding interval
adults 3–4×/week plus fruit purée, juveniles daily

Key facts

Adult size
~9–10 cm total length (a dwarf day gecko)
Life expectancy
~10 years (up to 15)
Origin
North-western Madagascar (coastal forest, bamboo); threatened in the wild
Protection status
CITES Appendix II / EU Regulation Annex B (Phelsuma spp.); proof of origin plus registration required
Brumation
None
Cohabitation
Comparatively sociable for a Phelsuma: a pair or harem group (one male plus several females) is possible in a well-structured enclosure; NEVER keep several males together

Notes

Very small and quick – set it up escape-proof (fine ventilation) and with plenty of bamboo tubes. Small feeder animals only. The parents are not cannibalistic, and the young can stay in the enclosure.

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Related species

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What you need to start

To keep Neon day gecko (Phelsuma klemmeri) you typically need: a suitable enclosure (30×30×45 cm for a single animal; at least 45×45×60 cm for a pair, more like 60×40×80 cm for a harem group (vertical, with plenty of bamboo tubes)), substrate (Bioactive or coco substrate, dense planting, plenty of bamboo tubes (a bamboo dweller)), 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: 9 October 2026 · Editor: Reptoria editorial team · Sources include: Wikipedia EN, einrichtungsbeispiele.de, joshsfrogs.com, megazoo-nord.de, reptifiles.com

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).