# Johnston's chameleon (*Trioceros johnstoni*)

Canonical page: https://creaturedata.com/animals/johnstons-chameleon  
Data as of: 2026-11-14

The johnston's chameleon (Trioceros johnstoni) is a species in the family Chamaeleonidae, order Squamata. Recorded adults weigh about 22.3 g and reach 10.4 cm in length.

## Quick facts

| Fact | Value |
|---|---|
| Weight | 22.3 g |
| Length | 10.4 cm |
| Lifespan | Not recorded |
| Diet | Carnivore |
| Main food | Not recorded |
| Habitat | forest |
| Egg incubation | 120 days |
| Young per litter or clutch | 4 – 23 |
| Age at maturity | 5 months – 8 months |
| Litters or clutches a year | 1 – 3 |
| Reproduction | Eggs |
| Active | By day (diurnal) |
| Lifestyle | Arboreal |
| Conservation status | Not recorded |
| Countries on record | Not recorded |

## Classification

- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Chamaeleonidae
- genus: Trioceros
- species: *Trioceros johnstoni* (Boulenger, 1901)

Synonyms: *Chamaeleo johnstoni*, *Chamaeleo johnstoni crenulatus*, *Chamaeleo laevigularis*, *Chamaeleon graueri*, *Chamaeleon johnstoni*

## Common questions

### How big is the johnston's chameleon?

An adult johnston's chameleon weighs 22.3 g and measures 10.4 cm long, according to values recorded on Wikidata.

### What kind of animal is the johnston's chameleon?

The johnston's chameleon (Trioceros johnstoni) belongs to the family Chamaeleonidae in the order Squamata.

## Sources

- [An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles](https://doi.org/10.6084/m9.figshare.3563457.v1), CC0 1.0, E096-269. Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1
- [Catalogue of Life eXtended Release](https://www.checklistbank.org/dataset/316691), CC BY 4.0, 2026-10-16 XR. Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
- [ReptTraits: a comprehensive dataset of ecological traits in reptiles](https://doi.org/10.6084/m9.figshare.24572683.v4), CC BY 4.0, v1-2. Oskyrko, O., Mi, C., Meiri, S. et al. (2024) ReptTraits: a comprehensive dataset of ecological traits in reptiles. Scientific Data 11: 243. https://doi.org/10.1038/s41597-024-03079-5. Data: https://doi.org/10.6084/m9.figshare.24572683.v4
- [SquamBase 1.0 - a dataset of squamate species traits](https://doi.org/10.5061/dryad.76hdr7t3b), CC0 1.0, 1.0-dryad-v5. Meiri, S. (2024) SquamBase - a database of squamate (Reptilia: Squamata) traits. Global Ecology and Biogeography 33(4): e13812. https://doi.org/10.1111/geb.13812. Data: https://doi.org/10.5061/dryad.76hdr7t3b

Cite as: Johnston's chameleon (Trioceros johnstoni). Retrieved from https://creaturedata.com/animals/johnstons-chameleon