Can Blue Acara Live With Cardinal Tetra?
Blue Acara and Cardinal Tetra CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 73–82°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.0.
Size
✓ Compatible
Compatible sizes (6" and 2").
Temperament
⚠ Use Caution
Blue Acara (semi-aggressive) may have issues with Cardinal Tetra (peaceful). Monitor closely if attempting.
Swim Level
⚠ Use Caution
Both fish occupy the middle level and Blue Acara is territorial. Provide plenty of space and hiding spots.
Important Notes
- Cardinal Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 35 gallons
| Parameter | Blue Acara | Cardinal Tetra |
|---|---|---|
| Temperature | 72–82°F | 73–84°F |
| pH | 6.5–8 | 5–7 |
| Max Size | 6" | 2" |
| Temperament | Semi-aggressive | Peaceful |
| Swim Level | Middle | Middle |
| Min Tank | 30 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.