Can Australian Rainbowfish Live With Phoenix Rasbora?
Australian Rainbowfish and Phoenix Rasbora are NOT compatible tank mates.
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
✗ Not Compatible
Extreme size difference. Australian Rainbowfish (5") may eat or bully Phoenix Rasbora (0.8").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Swim level compatibility is fine.
Important Notes
- Australian Rainbowfish is a schooling fish and needs at least 6 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: 33 gallons
| Parameter | Australian Rainbowfish | Phoenix Rasbora |
|---|---|---|
| Temperature | 72–82°F | 72–79°F |
| pH | 6.5–8 | 4–6.5 |
| Max Size | 5" | 0.8" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 30 gal | 5 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.