Keeper guide

Rhino Horned Baboon Temperature Guide — Ceratogyrus brachycephalus

A practical temperature range for Ceratogyrus brachycephalus, commonly known as the Rhino Horned Baboon, is 21–27°C. Stable room conditions matter more than chasing tiny changes on the thermometer.

At a glance

Quick facts

World
Old World
Origin
Southern Africa
Lifestyle
Fossorial
UK hobby rarity
Rare
Maximum size
About 11–13 cm (4.25–5 in)
Growth rate
Fast
Male lifespan
Roughly 2–4 years
Female lifespan
Often 8–12 years
Temperament
Fast and defensive when exposed
Venom
Venomous; treat bites as potentially significant and avoid handling
Temperature
21–27°C
Moisture / humidity
Mostly dry surface with a modest lower moisture gradient and a water dish
CITES
Check current CITES rules before cross-border trade

Working temperature range

Keep Ceratogyrus brachycephalus around 21–27°C. Use that as a practical captive range and avoid prolonged exposure to temperatures well outside it.

Rhino Horned Baboons do not need the enclosure to hit one exact number all day. Normal small room fluctuations are easier to manage than repeated heating and cooling adjustments.

Measure the shelf, not just the room

Check the temperature where the Ceratogyrus brachycephalus enclosure actually sits. Shelves near windows, radiators, computers or external walls can differ from the centre of the room.

A thermometer placed near the enclosure gives more useful information for a Rhino Horned Baboon than a reading taken across the room.

Avoid direct heat on the enclosure

Do not attach a heat mat directly to a Ceratogyrus brachycephalus enclosure. Small containers can develop concentrated hot areas that are much warmer than the surrounding room.

If the room is genuinely too cold for Rhino Horned Baboons, warm the room instead and check the temperature at enclosure level. That gives a more even and controllable result.

Summer heat

During hot weather, keep Ceratogyrus brachycephalus out of direct sunlight and watch rooms that heat up during the afternoon. A closed window area can become much warmer than expected.

Do not respond to a warm day by soaking the Rhino Horned Baboon enclosure. Temperature and substrate moisture are separate husbandry issues.

Winter conditions

In winter, check the coldest part of the day where Ceratogyrus brachycephalus is kept. Rooms can cool overnight even when daytime readings look comfortable.

If room heating is used, remember that it may also dry Rhino Horned Baboons enclosures faster. Adjust watering to the actual drying rate rather than assuming winter always means wetter substrate.

Use behaviour as context

Temperature readings for Ceratogyrus brachycephalus should be considered alongside normal feeding, retreat use and moulting. One slightly different reading is less useful than a consistent pattern over time.

If a Rhino Horned Baboon suddenly changes behaviour, check temperature along with water, moisture and recent disturbance instead of assuming temperature is the only cause.