Can Least Killifish Live With Phoenix Rasbora?
Least Killifish and Phoenix Rasbora CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 72–79°F.
pH
⚠ Use Caution
Very narrow pH overlap (6.5–6.5). Hard to maintain precisely.
Size
✓ Compatible
Compatible sizes (1" and 0.8").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Least Killifish: top, Phoenix Rasbora: middle), reducing conflict.
Important Notes
- Least Killifish is a schooling fish and needs at least 4 of its kind.
- Phoenix Rasbora is a schooling fish and needs at least 8 of its kind.
Tank Requirements
Minimum tank size for this combination: 8 gallons
| Parameter | Least Killifish | Phoenix Rasbora |
|---|---|---|
| Temperature | 66–80°F | 72–79°F |
| pH | 6.5–8 | 4–6.5 |
| Max Size | 1" | 0.8" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Top | Middle |
| Min Tank | 5 gal | 5 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.