Can Blue Tang Live With Blue-Eyed Cardinalfish?
Blue Tang and Blue-Eyed Cardinalfish are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 74–82°F.
pH
✓ Compatible
Good pH overlap at 8.0–8.4.
Size
✗ Not Compatible
Extreme size difference. Blue Tang (12") may eat or bully Blue-Eyed Cardinalfish (2").
Temperament
⚠ Use Caution
Blue Tang (semi-aggressive) may have issues with Blue-Eyed Cardinalfish (peaceful). Monitor closely if attempting.
Swim Level
✓ Compatible
Swim level compatibility is fine.
Important Notes
- Blue-Eyed Cardinalfish is a schooling fish and needs at least 3 of its kind.
Tank Requirements
Minimum tank size for this combination: 80 gallons
| Parameter | Blue Tang | Blue-Eyed Cardinalfish |
|---|---|---|
| Temperature | 74–82°F | 74–82°F |
| pH | 8–8.4 | 8–8.4 |
| Max Size | 12" | 2" |
| Temperament | Semi-aggressive | Peaceful |
| Swim Level | All | Middle |
| Min Tank | 75 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.