African Pygmy Mouse — Fact Sheet
Mus minutoides · African Pygmy Mouse
📋 At a glance
| Adult size | 8-13 cm |
| Lifespan | 1.5-4 years |
| Subspecies | No captive-care subspecies split |
| Origin | Patchy but broad sub-Saharan African range; grassland, savanna, shrub cover, rocky areas, riverbank dunes, and other covered microhabitats. |
| Activity | Nocturnal |
| Difficulty | Advanced |
| Legal | CITES/EU: not listed; African rodent import restrictions and local rules apply; no release |
🏠 Enclosure
- Minimum adult enclosure: 60 x 30 x 40 cm; larger is better
- Smooth-sided, lockable, escape-proof housing with fine metal mesh ventilation
- Dry dust-free substrate, at least 10 cm where digging is possible
- Avoid loose lids, wide bars, heat rocks, aromatic shavings, damp bedding, and outdoor release
🪨 Enclosure furniture
- Multiple hides, nests, cork, branches or roots, visual barriers, and feeding points
- Stable furnishings that cannot crush animals or trap tails and feet
- Quarantine setup with separate tools for new arrivals
💡 Lighting
- UVB not required
- Bright daytime room cycle, shaded retreats, and full darkness at night
- Photoperiod: 10-12 hours
- Keep lamps and cables outside chewing reach
🌡️ Temperature
Basking spot: 26-28 °C
Warm zone: 20-26 °C
Cool zone: 20-22 °C
Night: 18-22 °C
Provide a gradient, not one uniform temperature
Measure with digital probes
Avoid unguarded heat and direct sun through glass
💧 Humidity & water
- Target 40-60% with ventilation
- Fresh water always available; check bottles daily
- Remove wet bedding and old fresh food promptly
- Avoid stagnant damp air and dusty dry bedding
🪳 Diet
Feed regularly:
- Quality small-rodent staple, small seeds or grains, and measured insects
In moderation:
- Soft fruit or fresh greens in tiny portions where appropriate
- Rich larvae, nuts, and treats
Avoid:
- Sugary mixes, fatty overfeeding, dairy, seasoned food, spoiled wet food
Supplements:
- No routine supplements when the staple diet is balanced; use veterinary advice for deficiencies
🩺 Health — warning signs
- Food refusal or weight loss → dental, social, parasite, temperature, or illness issue
- Wet nose or noisy breathing → respiratory irritation or infection
- Wounds or missing tail skin → handling injury, fighting, or unsafe decor
- Lethargy or panting → wrong temperature or severe stress
- Diarrhea → spoiled food, diet change, infection, or stress
Consult an exotic-animal veterinarian for severe weakness, injury, breathing signs, swelling, wounds, or prolonged refusal to eat.