Can Betta Live With Goldfish?
Betta
Goldfish
Incompatible
Compatibility Score: 0/100
The Verdict
Temperature requirements don't overlap well (Betta: 76-82°F, Goldfish: 65-75°F)
Betta is aggressive and may harm the peaceful Goldfish
Large size difference - smaller fish may become prey
Goldfish prefer cold water (65-75°F) while Betta needs tropical temperatures
Tips for Success
- Minimum recommended tank size: 45 gallons
Side-by-Side Comparison
| Attribute | Betta | Goldfish |
|---|---|---|
Adult Size | 3" | 12" |
Temperature | 76-82°F | 65-75°F |
pH Range | 6.5-7.5 | 7-8.4 |
Min Tank Size | 5G | 20G |
| Temperament | aggressive | peaceful |
| Swim Level | top | all |
| Diet | Carnivore | Omnivore |
Recommended Tank Size
45+ gallons
Minimum for keeping these fish together
Also Compatible With Betta
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