Can Geophagus Tapajos Red Head Live With Phoenix Rasbora?
Geophagus Tapajos Red Head and Phoenix Rasbora are NOT compatible tank mates.
Detailed Analysis
Temperature
⚠ Use Caution
Very narrow temperature overlap (78–79°F). Maintaining stable temp in this range may be difficult.
pH
✓ Compatible
Good pH overlap at 5.5–6.5.
Size
✗ Not Compatible
Extreme size difference. Geophagus Tapajos Red Head (7") may eat or bully Phoenix Rasbora (0.8").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Geophagus Tapajos Red Head: bottom, Phoenix Rasbora: middle), reducing conflict.
Important Notes
- Geophagus Tapajos Red Head is a schooling fish and needs at least 5 of its kind.
- Phoenix Rasbora is a schooling fish and needs at least 8 of its kind.
Tank Requirements
Minimum tank size for this combination: 58 gallons
| Parameter | Geophagus Tapajos Red Head | Phoenix Rasbora |
|---|---|---|
| Temperature | 78–86°F | 72–79°F |
| pH | 5.5–7.5 | 4–6.5 |
| Max Size | 7" | 0.8" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Bottom | Middle |
| Min Tank | 55 gal | 5 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.