Can Betta Live With Oscar?
Betta
Oscar
Incompatible
Compatibility Score: 0/100
The Verdict
Both fish are aggressive - high risk of conflict
Large size difference - smaller fish may become prey
Oscars will eat any fish that fits in their mouth - Betta is at risk
Tips for Success
- Ideal temperature range: 76-81°F
- Minimum recommended tank size: 75 gallons
- These fish occupy different water levels, reducing territorial conflict
Side-by-Side Comparison
| Attribute | Betta | Oscar |
|---|---|---|
Adult Size | 3" | 14" |
Temperature | 76-82°F | 74-81°F |
pH Range | 6.5-7.5 | 6-8 |
Min Tank Size | 5G | 75G |
| Temperament | aggressive | aggressive |
| Swim Level | top | middle |
| Diet | Carnivore | Carnivore |
Recommended Tank Size
75+ gallons
Minimum for keeping these fish together
Also Compatible With Betta
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