Betta Fish
Betta splendens
Vibrant, flowing fins and bold personalities—stunning beginner fish for UK aquariums.
Essential Care Requirements
Temperature
24-27°C (75-80°F)
Water Quality
pH: 6.5-7.5
Ammonia: 0 ppm
Nitrite: 0 ppm
Diet
carnivore
once or twice daily
Space Required
minimum tank: 19 liters (5 gallons)
recommended tank: 38+ liters (10+ gallons)
Behavior & Temperament
Temperament
territorial, aggressive to other bettas
Activity
active during day
Social Needs
must be kept alone (males) or careful community
Personality
intelligent, can learn to recognize owner
Health Considerations
Common Health Issues:
- •fin rot
- •ich (white spot)
- •velvet disease
- •swim bladder problems
- •constipation
Veterinary Care:
specialized aquatic vet if available
Things to Consider
Advantages
- ✓Beautiful colors and fins
- ✓Relatively easy care
- ✓Small space requirement
- ✓Interactive personality
- ✓Inexpensive to maintain
- ✓Good beginner fish
Challenges
- ✗Cannot be housed with other bettas
- ✗Need heated tank in UK
- ✗Short lifespan
- ✗Prone to diseases
- ✗Need specific water conditions
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.
UK-Specific Information
Climate
Heating essential year-round
Suppliers
Very widely available
Vet Availability
Limited aquatic vets
Legal Status
No restrictions
Based on UK DEFRA and CITES guidelines.
Ready to Care for a Betta Fish?
Find a specialised exotic vet near you for professional advice.
