Can Emerald Betta Live With Red Devil?
Emerald Betta and Red Devil are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.0.
Size
⚠ Use Caution
Significant size difference (12" vs 2.5"). Red Devil may bully or stress Emerald Betta.
Temperament
✗ Not Compatible
Emerald Betta (semi-aggressive) is not compatible with Red Devil (aggressive). Aggression or stress is very likely.
Swim Level
✓ Compatible
Fish occupy different water levels (Emerald Betta: top, Red Devil: middle), reducing conflict.
Trait Conflict
✗ Not Compatible
Red Devil is a predator and may eat Emerald Betta.
Tank Requirements
Minimum tank size for this combination: 55 gallons
| Parameter | Emerald Betta | Red Devil |
|---|---|---|
| Temperature | 73–82°F | 75–82°F |
| pH | 5.5–7 | 6.5–7.5 |
| Max Size | 2.5" | 12" |
| Temperament | Semi-aggressive | Aggressive |
| Swim Level | Top | Middle |
| Min Tank | 5 gal | 55 gal |
Check More Combinations
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