Can Common Pleco Live With Discus?
Common Pleco and Discus CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
⚠ Use Caution
Very narrow temperature overlap (82–82°F). Maintaining stable temp in this range may be difficult.
pH
✓ Compatible
Good pH overlap at 6.5–7.0.
Size
✓ Compatible
Compatible sizes (18" and 8").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Common Pleco: bottom, Discus: middle), reducing conflict.
Important Notes
- Discus is a schooling fish and needs at least 5 of its kind.
Tank Requirements
Minimum tank size for this combination: 103 gallons
| Parameter | Common Pleco | Discus |
|---|---|---|
| Temperature | 72–82°F | 82–88°F |
| pH | 6.5–7.5 | 5.5–7 |
| Max Size | 18" | 8" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Bottom | Middle |
| Min Tank | 75 gal | 55 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.