Can Common Pleco Live With Rainbow Cichlid?
Common Pleco and Rainbow Cichlid CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 72–82°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
⚠ Use Caution
Significant size difference (18" vs 5"). Common Pleco may bully or stress Rainbow Cichlid.
Temperament
⚠ Use Caution
Common Pleco (peaceful) may have issues with Rainbow Cichlid (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Common Pleco: bottom, Rainbow Cichlid: middle), reducing conflict.
Tank Requirements
Minimum tank size for this combination: 90 gallons
| Parameter | Common Pleco | Rainbow Cichlid |
|---|---|---|
| Temperature | 72–82°F | 72–82°F |
| pH | 6.5–7.5 | 6.5–8 |
| Max Size | 18" | 5" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Bottom | Middle |
| Min Tank | 75 gal | 30 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.