Can Blue-Eye Livebearer Live With Cardinal Tetra?
Blue-Eye Livebearer and Cardinal Tetra CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
⚠ Use Caution
Very narrow pH overlap (7.0–7.0). Hard to maintain precisely.
Size
✓ Compatible
Compatible sizes (2.5" and 2").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Blue-Eye Livebearer: top, Cardinal Tetra: middle), reducing conflict.
Important Notes
- Blue-Eye Livebearer is a schooling fish and needs at least 6 of its kind.
- Cardinal Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 25 gallons
| Parameter | Blue-Eye Livebearer | Cardinal Tetra |
|---|---|---|
| Temperature | 75–82°F | 73–84°F |
| pH | 7–8 | 5–7 |
| Max Size | 2.5" | 2" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Top | Middle |
| Min Tank | 20 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.