Can Cardinal Tetra Live With Pearl Danio?
Cardinal Tetra and Pearl Danio are compatible tank mates!
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 73–77°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✓ Compatible
Compatible sizes (2" and 2.5").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Cardinal Tetra: middle, Pearl Danio: top), reducing conflict.
Important Notes
- Cardinal Tetra is a schooling fish and needs at least 6 of its kind.
- Pearl Danio is a schooling fish and needs at least 5 of its kind.
Tank Requirements
Minimum tank size for this combination: 18 gallons
| Parameter | Cardinal Tetra | Pearl Danio |
|---|---|---|
| Temperature | 73–84°F | 64–77°F |
| pH | 5–7 | 6–8 |
| Max Size | 2" | 2.5" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Top |
| Min Tank | 10 gal | 15 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.