Can Coral Red Pencilfish Live With Geophagus Tapajos Red Head?
Coral Red Pencilfish and Geophagus Tapajos Red Head are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 78–82°F.
pH
✓ Compatible
Good pH overlap at 5.5–7.0.
Size
✗ Not Compatible
Extreme size difference. Geophagus Tapajos Red Head (7") may eat or bully Coral Red Pencilfish (1.2").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Coral Red Pencilfish: middle, Geophagus Tapajos Red Head: bottom), reducing conflict.
Important Notes
- Coral Red Pencilfish is a schooling fish and needs at least 6 of its kind.
- Geophagus Tapajos Red Head is a schooling fish and needs at least 5 of its kind.
Tank Requirements
Minimum tank size for this combination: 55 gallons
| Parameter | Coral Red Pencilfish | Geophagus Tapajos Red Head |
|---|---|---|
| Temperature | 75–82°F | 78–86°F |
| pH | 4.5–7 | 5.5–7.5 |
| Max Size | 1.2" | 7" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Bottom |
| Min Tank | 10 gal | 55 gal |
Check More Combinations
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