Reptoria

Nano-chameleon (Brookesia nana)

Nano-chameleon (Brookesia nana), typical appearance of the species

Chameleons · Difficulty: Expert

Key facts and care guidance for Nano-chameleon (Brookesia nana) (origin: The Sorata massif, northern Madagascar, montane rainforest). Adult size around ~22 mm (males), ~29 mm (females) – the smallest known reptile. Life expectancy unknown (not established in captivity). The values below are carefully researched guidance.

Short answers

Nano-chameleon: How big does the enclosure need to be?

A small bioactive humid enclosure (~30×30×30 cm) – in practice they are hardly ever kept.

Nano-chameleon: What temperature does it need?

Daytime 18–23 °C (montane cloud forest of northern Madagascar), at night 14–18 °C.

Nano-chameleon: Does it need UVB lighting?

UVB: Very low UVB (shaded forest floor); not essential, weak UVB recommended.

Nano-chameleon: How long do they live?

Life expectancy: unknown (not established in captivity).

Nano-chameleon: Is it suitable for beginners?

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

Climate

Daytime temperature
18–23 °C (montane cloud forest of northern Madagascar)
Night temperature
14–18 °C
Basking spot
—
Humidity
80–95 %
UVB
Very low UVB (shaded forest floor); not essential, weak UVB recommended

Enclosure

Minimum size
a small bioactive humid enclosure (~30×30×30 cm) – in practice they are hardly ever kept
Substrate
Damp leaf litter or moss with a springtail culture

Feeding

Food
The tiniest insects: springtails, mites, the smallest fruit flies
Feeding interval
daily, the smallest feeder insects

Key facts

Adult size
~22 mm (males), ~29 mm (females) – the smallest known reptile
Life expectancy
unknown (not established in captivity)
Origin
The Sorata massif, northern Madagascar, montane rainforest
Protection status
CITES Appendix II; IUCN "Critically Endangered"; NO legal trade, and not present in the hobby
Brumation
Unknown (a montane climate, humid all year)
Cohabitation
Single housing would be the only defensible assumption, because there is no keeping experience with the species; related Brookesia often tolerate permanent contact badly. A pair only temporarily and only in professionally supervised breeding.

Notes

IMPORTANT: this species is NOT kept in herpetoculture – only a few wild specimens are known, it is strictly protected, and there is no legal import. All the figures are analogy estimates from its habitat and related montane Brookesia, and are NOT a real keeping recommendation.

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Related species

All species in the care wiki →

What you need to start

To keep Nano-chameleon (Brookesia nana) you typically need: a suitable enclosure (a small bioactive humid enclosure (~30×30×30 cm) – in practice they are hardly ever kept), substrate (Damp leaf litter or moss with a springtail culture), 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: 7 November 2026 · Editor: Reptoria editorial team · Sources include: Wikipedia/Erstbeschreibung Brookesia nana: kleinste bekannte Reptilienart (Nasobem-Region Madagaskar) – https://en.wikipedia.org/wiki/Brookesia_nana, Wikipedia Brookesia stumpffi: Gelege 3-5 Eier, Schlupf nach 60-70 Tagen bei 23°C – https://en.wikipedia.org/wiki/Brookesia_stumpffi, https://en.wikipedia.org/wiki/Brookesia, https://en.wikipedia.org/wiki/Brookesia_nana, https://reptile-database.reptarium.cz/species?genus=Brookesia&species=nana

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).