beginner Level
Domestic Rat
Rattus norvegicus
Affectionate, clever companions that learn tricks—surprisingly loving pets for UK keepers.
2-3 years
Lifespan
9-11 inches + 7-9 inch tail
Adult Size
£10-£30
Price Range
Legal
UK Status
Essential Care Requirements
Temperature
Always use a thermostat to regulate basking areas.
18-26°C
Humidity
40-70%
Diet
omnivore
Space Required
minimum cage: 80x50x80cm for 2 rats
recommended: 100x60x100cm or larger
Behavior & Temperament
Temperament
intelligent, affectionate
Activity
nocturnal
Social Needs
very high - must be kept in groups
Personality
playful, bonds strongly with owner, highly intelligent
Health Considerations
Common Health Issues:
- •respiratory infections
- •mammary tumors
- •kidney disease
- •skin parasites
Veterinary Care:
as needed
Things to Consider
Advantages
- ✓Extremely intelligent
- ✓Very affectionate with owners
- ✓Can learn tricks and names
- ✓Clean animals
- ✓Easy to handle
- ✓Inexpensive to purchase and maintain
Challenges
- ✗Very short lifespan
- ✗Must be kept in groups
- ✗Can develop tumors
- ✗Some people uncomfortable with tails
- ✗Need daily interaction
FREE PDF
FREE 2026 GUIDE
New Keeper?
Get the Exotic Pet Starter Guide — your UK handbook for correct lighting, diet, and care essentials. Make sure you have everything your pet needs to thrive.
Includes setup checklists, legal info, and UK vet finder tools
UK-Specific Information
Climate
Well-adapted to UK
Suppliers
Breeders and pet shops
Vet Availability
Most exotic vets treat
Legal Status
No restrictions
Based on UK DEFRA and CITES guidelines.
Ready to Care for a Domestic Rat?
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