Cameroon sailfin chameleon (Trioceros montium)
Chameleons · Difficulty: Expert
Key facts and care guidance for Cameroon sailfin chameleon (Trioceros montium) (origin: Cameroon – montane cloud forest). Adult size around 15–25 cm. Life expectancy 4–7 years. The values below are carefully researched guidance.
Short answers
Cameroon sailfin chameleon: How big does the enclosure need to be?
60×60×120 cm, a mesh enclosure is preferred.
Cameroon sailfin chameleon: What temperature does it need?
Daytime 20–25 °C, basking spot 27 °C, at night 13–17 °C.
Cameroon sailfin chameleon: Does it need UVB lighting?
UVB: Essential (UVB 5.0).
Cameroon sailfin chameleon: How long do they live?
Life expectancy: 4–7 years.
Cameroon sailfin chameleon: Is it suitable for beginners?
No – better suited to experienced keepers (difficulty: Expert).
Climate
- Daytime temperature
- 20–25 °C
- Night temperature
- 13–17 °C
- Basking spot
- 27 °C
- Humidity
- 75–90 %
- UVB
- Essential (UVB 5.0)
Enclosure
- Minimum size
- 60×60×120 cm, a mesh enclosure is preferred
- Substrate
- Planted, fine climbing twigs, a drip system
Feeding
- Food
- Insects
- Feeding interval
- adults every other day
Key facts
- Adult size
- 15–25 cm
- Life expectancy
- 4–7 years
- Origin
- Cameroon – montane cloud forest
- Protection status
- CITES II
- Brumation
- None
- Cohabitation
- Keep singly. Each animal belongs in its own enclosure: the species is often aggressive towards its own kind, and males joust with their horns. Avoid sight contact too and screen neighbouring enclosures from each other. Put together only briefly for mating.
Notes
Very much in need of coolness – room temperature in summer is already critical. The male has two long horns and a dorsal sail.
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Related species
- Affinis chameleon (Trioceros affinis) – Expert
- Bale two-horned chameleon (Trioceros balebicornutus) – Expert
- Usambara three-horned chameleon (Trioceros deremensis) – Intermediate to expert
- Elliot's chameleon (Trioceros ellioti) – Intermediate
- Fea's chameleon (Trioceros feae) – Expert
- Goetze's chameleon (Trioceros goetzei) – Expert
- Harenna chameleon (Trioceros harennae) – Expert
- Von Höhnel's chameleon (Trioceros hoehnelii) – Intermediate
What you need to start
To keep Cameroon sailfin chameleon (Trioceros montium) you typically need: a suitable enclosure (60×60×120 cm, a mesh enclosure is preferred), substrate (Planted, fine climbing twigs, a drip system), 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: chameleonnews.com Anderson et al.: Trioceros montium Eier schlüpfen nach 4-8 Monaten bei 21-24°C je nach Temperatur – http://www.chameleonnews.com/05JunAndersonEtAlMontium.html, Chameleon Forums: Trioceros Montium Caresheet, Gelege 5-12 Eier – https://www.chameleonbreeder.com/wp-content/uploads/2019/06/Trioceros-Montium-Caresheet.pdf, https://en.wikipedia.org/wiki/Trioceros_montium, https://reptile-database.reptarium.cz/species?genus=Trioceros&species=montium, https://www.adcham.com/html/taxonomy/species/chmontium.html
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).