Can Betta Live With Congo Tetra?
Betta and Congo Tetra are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 76–82°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
✓ Compatible
Compatible sizes (3" and 3.5").
Temperament
✗ Not Compatible
Betta (aggressive) is not compatible with Congo Tetra (peaceful). Aggression or stress is very likely.
Swim Level
✓ Compatible
Fish occupy different water levels (Betta: top, Congo Tetra: middle), reducing conflict.
Important Notes
- Congo Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 30 gallons
| Parameter | Betta | Congo Tetra |
|---|---|---|
| Temperature | 76–82°F | 73–82°F |
| pH | 6.5–7.5 | 6–7.5 |
| Max Size | 3" | 3.5" |
| Temperament | Aggressive | Peaceful |
| Swim Level | Top | Middle |
| Min Tank | 5 gal | 30 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.