Can Clown Killifish Live With Long-Finned Serpae Tetra?
Clown Killifish and Long-Finned Serpae Tetra CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 73–79°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✓ Compatible
Compatible sizes (1.4" and 1.8").
Temperament
⚠ Use Caution
Clown Killifish (peaceful) may have issues with Long-Finned Serpae Tetra (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Clown Killifish: top, Long-Finned Serpae Tetra: middle), reducing conflict.
Important Notes
- Clown Killifish is a schooling fish and needs at least 4 of its kind.
- Long-Finned Serpae Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 20 gallons
| Parameter | Clown Killifish | Long-Finned Serpae Tetra |
|---|---|---|
| Temperature | 73–79°F | 72–82°F |
| pH | 5.5–7 | 6–7.5 |
| Max Size | 1.4" | 1.8" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Top | Middle |
| Min Tank | 5 gal | 20 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.