Can Oscar Live With Peaceful Betta?
Oscar and Peaceful Betta are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–81°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✗ Not Compatible
Extreme size difference. Oscar (14") may eat or bully Peaceful Betta (2").
Temperament
✗ Not Compatible
Oscar (aggressive) is not compatible with Peaceful Betta (peaceful). Aggression or stress is very likely.
Swim Level
✓ Compatible
Fish occupy different water levels (Oscar: middle, Peaceful Betta: top), reducing conflict.
Trait Conflict
✗ Not Compatible
Oscar is a predator and may eat Peaceful Betta.
Tank Requirements
Minimum tank size for this combination: 78 gallons
| Parameter | Oscar | Peaceful Betta |
|---|---|---|
| Temperature | 74–81°F | 75–82°F |
| pH | 6–7.5 | 5.5–7 |
| Max Size | 14" | 2" |
| Temperament | Aggressive | Peaceful |
| Swim Level | Middle | Top |
| Min Tank | 75 gal | 5 gal |
Check More Combinations
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