Can Calvus Cichlid Live With Harlequin Rasbora?
Calvus Cichlid and Harlequin Rasbora are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 76–82°F.
pH
✗ Not Compatible
No pH overlap. Calvus Cichlid needs pH 7.8–9, but Harlequin Rasbora needs pH 6–7.5.
Size
✓ Compatible
Compatible sizes (5" and 2").
Temperament
⚠ Use Caution
Calvus Cichlid (semi-aggressive) may have issues with Harlequin Rasbora (peaceful). Monitor closely if attempting.
Swim Level
✓ Compatible
Swim level compatibility is fine.
Trait Conflict
✗ Not Compatible
Calvus Cichlid is a predator and may eat Harlequin Rasbora.
Important Notes
- Harlequin Rasbora is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 35 gallons
| Parameter | Calvus Cichlid | Harlequin Rasbora |
|---|---|---|
| Temperature | 76–82°F | 72–82°F |
| pH | 7.8–9 | 6–7.5 |
| Max Size | 5" | 2" |
| Temperament | Semi-aggressive | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 30 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.