Johnston's chameleon (Trioceros johnstoni)
Photo: Jgdb500 / CC BY-SA 4.0 · via Wikimedia Commons

Reptile · Chameleon

Johnston's chameleon care guide

Trioceros johnstoni

AdvancedCITES – buy captive-bred

The johnston's chameleon is a advanced-level chameleon from Albertine Rift (Rwanda, Burundi, DRC, Uganda). Adults reach 20–30 cm and live 4–6 years in captivity. Cool, humid montane species; three-horned males.

  • Enclosure 60 × 60 × 120 cm
  • Temp Basking 25–28°C, ambient 18–24°C
  • Humidity 70–90%

How much does a johnston's chameleon cost in Canada?

Animal$200–500Typical captive-bred price
Bioactive enclosure$1040–1810Enclosure $470–890 · equipment $210–450 · bioactive supplies ≈ $390
Yearly upkeep$400–600Food, supplements, bulbs, power, vet fund
First year total$1640–2910All prices CAD, estimates

Johnston's chameleon quick facts

Skill level
Advanced
Adult size
20–30 cm
Lifespan
4–6 years
Activity
Diurnal
Native range
Albertine Rift (Rwanda, Burundi, DRC, Uganda)
Minimum enclosure
60 × 60 × 120 cm (24 × 24 × 47 in, ≈ 114 US gal)
Housing
Best kept alone.
Temperature
Basking 25–28°C, ambient 18–24°C
Humidity
70–90%
UVB
Required
Diet
Insectivore – crickets, roaches, flies
Bioactive style
Tropical arboreal

Johnston's chameleon enclosure & bioactive setup

Give one adult at least 60 × 60 × 120 cm (24 × 24 × 47 inches). Best kept alone. This species suits a tropical arboreal bioactive build.

  1. Leaf litter2 cm
  2. Jurassic ABG Terrarium Mix8 cm
  3. Drainage – clay bio balls5 cm

Most of the action is vertical – keep the soil moist but not wet, and focus on perches and dense planting.

Temperature: Basking 25–28°C, ambient 18–24°C. Humidity: 70–90%. UVB: Required.

What does a johnston's chameleon eat?

Insectivore – crickets, roaches, flies. Adults every other day, juveniles daily.

Handling, temperament & health

Display animal; stressed by handling.

Health watch: Overheating and dehydration.

Cleaning & maintenance schedule

Daily

  • Mist to raise humidity – usually a heavy evening misting with a dry-down by day.
  • Check temperatures at perch height.

Weekly

  • Feed; remove uneaten food (and diet dishes after 24–48 h).
  • Check the drainage layer and prune vines.
  • Look for stuck shed on toes and tails.

Monthly

  • Top up leaf litter.
  • Check branches and mounts are still secure.
  • Clean glass, vents and misting nozzles.

Yearly

  • Refresh the top of the soil in open areas.
  • Replace UVB bulbs (if used) on schedule.

Recommended for a johnston's chameleon bioactive

Quantities are for one minimum-size enclosure (60 × 60 × 120 cm).

Johnston's chameleon FAQ

Is the johnston's chameleon good for beginners?

The johnston's chameleon is an advanced species – best for experienced keepers. Display animal; stressed by handling.

What size enclosure does a johnston's chameleon need?

At least 60 × 60 × 120 cm (about 24 × 24 × 47 inches, roughly 114 US gallons) for one adult. Best kept alone.

How much does a johnston's chameleon cost in Canada?

Typically $200–500 CAD to buy, about $1040–1810 CAD for a complete bioactive enclosure, and $400–600 CAD a year to keep.

What temperature and humidity does a johnston's chameleon need?

Temperature: Basking 25–28°C, ambient 18–24°C. Humidity: 70–90%.

What does a johnston's chameleon eat?

Insectivore – crickets, roaches, flies. Adults every other day, juveniles daily.

Similar species

Browse all 1,000 species →

This care sheet is general guidance from One Bioactive, not veterinary advice. Needs vary with age, locality and individual animals – confirm with your breeder and an exotics vet. Prices are typical Canadian ranges in CAD and change over time.