CreatureData

Johnston's chameleon

Trioceros johnstoni (Boulenger, 1901)

Status not recordedlizards

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.

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Quick facts about the johnston's chameleon

Weight
22.3 gsrc for Weight
Length
10.4 cmsrc for Length
Lifespan
Not recorded
Diet
Carnivoresrc for Diet
Main food
Not recorded
Habitat
forestsrc for Habitat
Egg incubation
120 dayssrc for Egg incubation
Young per litter or clutch
4 – 23src for Young per litter or clutch
Age at maturity
5 months – 8 monthssrc for Age at maturity
Litters or clutches a year
1 – 3src for Litters or clutches a year
Reproduction
Eggssrc for Reproduction
Active
By day (diurnal)src for Active
Lifestyle
Arborealsrc for Lifestyle
Conservation status
Not recorded
Countries on record
Not recorded

How big is the johnston's chameleon?

JOHNSTON'S CHAMELEON · LENGTH 10.4 CMADULT HUMAN · HEIGHT 1.7 M
At 10.4 cm, the recorded maximum length of the johnston's chameleon is about 6.1% of the height of an adult human (1.7 m, a fixed reference used for scale).

Where does the johnston's chameleon live?

Not recorded

Is the johnston's chameleon endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the johnston's chameleon classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classReptilia
  4. orderSquamata
  5. familyChamaeleonidae
  6. genusTrioceros
  7. SpeciesTrioceros johnstoni (Boulenger, 1901)

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

Other names and names in other languages (8)
  • Johnston's three-horned chameleonEnglish
  • Ruwenzori three-horned chameleonEnglish
  • Rwenzori three-horned chameleonEnglish
  • chameleon JohnstonůvCzech
  • Trehornet Ruwenzori-kamæleonDanish
  • Johnstons ChamäleonGerman
  • ジョンストンカメレオンJapanese
  • 約翰斯頓三角避役Chinese

Catalogue of LifeiNaturalistITISWikidata

Relatives of the johnston's chameleon

Other species in the same genus Trioceros.

CompareJohnston's chameleon vs Triceratops lizardJohnston's chameleon vs Crested chameleonJohnston's chameleon vs Meller's chameleonJohnston's chameleon vs Elliot's chameleon

Common questions

Answered only where our data holds the answer.

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 and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Johnston's chameleon (Trioceros johnstoni). Retrieved from https://creaturedata.com/animals/johnstons-chameleon

MLA

“Johnston's chameleon (Trioceros johnstoni).” CreatureData, 2026, https://creaturedata.com/animals/johnstons-chameleon.

BibTeX
@misc{johnstons_chameleon_2026,
  title = {Johnston's chameleon (Trioceros johnstoni)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/johnstons-chameleon},
  note = {Data as of 2026-11-14}
}