Can Least Killifish Live With Lemon Tetra?
Least Killifish and Lemon Tetra are compatible tank mates!
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 72–80°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.5.
Size
✓ Compatible
Compatible sizes (1" and 1.5").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Least Killifish: top, Lemon Tetra: middle), reducing conflict.
Important Notes
- Least Killifish is a schooling fish and needs at least 4 of its kind.
- Lemon Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 15 gallons
| Parameter | Least Killifish | Lemon Tetra |
|---|---|---|
| Temperature | 66–80°F | 72–82°F |
| pH | 6.5–8 | 5.5–7.5 |
| Max Size | 1" | 1.5" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Top | Middle |
| Min Tank | 5 gal | 15 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.