Can Clown Killifish Live With Firemouth Cichlid?
Clown Killifish and Firemouth Cichlid CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–79°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.0.
Size
⚠ Use Caution
Significant size difference (6" vs 1.4"). Firemouth Cichlid may bully or stress Clown Killifish.
Temperament
⚠ Use Caution
Clown Killifish (peaceful) may have issues with Firemouth Cichlid (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Clown Killifish: top, Firemouth Cichlid: middle), reducing conflict.
Important Notes
- Clown Killifish is a schooling fish and needs at least 4 of its kind.
Tank Requirements
Minimum tank size for this combination: 30 gallons
| Parameter | Clown Killifish | Firemouth Cichlid |
|---|---|---|
| Temperature | 73–79°F | 75–86°F |
| pH | 5.5–7 | 6.5–8 |
| Max Size | 1.4" | 6" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Top | Middle |
| Min Tank | 5 gal | 30 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.