Jackson’s chameleon

Trioceros jacksonii contains geographically distinct forms. The three-horned adult male illustration does not represent every female or subspecies.

Confirm the subspecies and locality.

A suitable cool night and summer cooling plan are essential before acquisition; a constantly warm room is not automatically suitable.

Arrange dependable holiday care and keep money available for food, replacement equipment and appropriate veterinary help. Test the habitat before the animal arrives.

For a typical adult, plan at least roughly 61 × 61 × 122 cm with more space where possible. Provide dense live cover, connected thin branches, drainage and full visual retreat. Match mesh or hybrid walls to the actual room.

Measure usable internal space after substrate, guards and furnishings. Check ventilation, cable holes and access against the smallest occupant. Fix heavy furnishings independently of loose substrate.

The Machakos Hills sheet describes 20–24°C day air, 10–18°C night air and a 26–29°C basking location. This applies to T. j. jacksonii; other forms need their own checked plan.

Record the warm and cool locations, overnight minimum and daytime maximum. Air, surface and substrate readings are different measurements. Any added heater needs compatible thermostatic control and safe separation from the animal; assess summer cooling as well as winter heating.

Confirm safe seasonal night conditions for this animal.

Provide bright daylight and UVB over selected perches, with shade behind foliage. Measure actual exposure rather than selecting a bulb by percentage alone.

Keep the night dark and provide retreat from daytime light. Lamp percentage, electrical wattage and a product name cannot establish the exposure reaching an animal. Check the finished installation after changes to mesh, branches or lamp position.

Agree measured UV exposure for the actual branch layout.

The same sheet distinguishes drier days, around 30–50% air humidity, from humid cool nights, around 80–100%. Combine drinking opportunities with drainage and ventilation; do not fog a hot stagnant cage.

Inspect the occupied refuge and substrate as well as the air reading. Adjust water provision and ventilation together, and clean contaminated drinking surfaces. A single humidity number cannot describe every microclimate.

Offer varied suitable cultured insects with a subspecies, age and reproductive-stage supplementation plan. Do not transfer a heavy D3 schedule from another chameleon.

Record what is actually eaten and follow changes in growth and body condition. Food size, life stage and the full diet matter. Supplement products require an individual plan; do not combine calcium, vitamin D and multivitamins by guesswork.

Agree supplements with the complete diet.

House singly, with visual separation from other chameleons. Avoid forced handling and allow concealed perching.

Make necessary maintenance predictable and allow voluntary retreat. Prepare a secure transfer container before essential moves. Observation should not repeatedly interrupt feeding, rest or moulting.

Monitor grip, eyes, drinking and body condition; daytime closed eyes or persistent weakness need a reptile vet.

Keep dated observations of appetite, activity and condition. A sudden decline, injury, abnormal breathing or repeated failed moults needs appropriate professional assessment. This guide does not provide a diagnosis or medicine dose.

Confirm subspecies and captive-bred history before applying the example regime.

Ask for a dated source record, scientific identity, life stage and established care history. Keep new arrivals and their equipment separate while an appropriate quarantine plan is agreed. Check current official rules for the exact animal, route and transaction before importing or buying; this page does not establish legal clearance. Never release animals or viable eggs outdoors.

Check drinking, drainage and the actual overnight temperature drop. Review perch-level UV, shade and the room’s summer cooling capacity. Keep a dated record of measurements and observations, and revisit the full advice when conditions or life stage change.