Can Colombian Tetra Live With Golden Pencilfish?
Colombian Tetra and Golden Pencilfish CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 73–81°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✓ Compatible
Compatible sizes (2.5" and 1.2").
Temperament
⚠ Use Caution
Colombian Tetra (semi-aggressive) may have issues with Golden Pencilfish (peaceful). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Colombian Tetra: middle, Golden Pencilfish: top), reducing conflict.
Important Notes
- Colombian Tetra is a schooling fish and needs at least 6 of its kind.
- Golden Pencilfish is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 25 gallons
| Parameter | Colombian Tetra | Golden Pencilfish |
|---|---|---|
| Temperature | 72–82°F | 73–81°F |
| pH | 6–7.5 | 5.5–7 |
| Max Size | 2.5" | 1.2" |
| Temperament | Semi-aggressive | Peaceful |
| Swim Level | Middle | Top |
| Min Tank | 20 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.