Can Cardinal Tetra Live With Forktail Rainbowfish?
Cardinal Tetra and Forktail Rainbowfish are compatible tank mates!
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 73–80°F.
pH
✓ Compatible
Good pH overlap at 6.5–7.0.
Size
✓ Compatible
Compatible sizes (2" and 2").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Cardinal Tetra: middle, Forktail Rainbowfish: top), reducing conflict.
Important Notes
- Cardinal Tetra is a schooling fish and needs at least 6 of its kind.
- Forktail Rainbowfish is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 15 gallons
| Parameter | Cardinal Tetra | Forktail Rainbowfish |
|---|---|---|
| Temperature | 73–84°F | 73–80°F |
| pH | 5–7 | 6.5–7.5 |
| Max Size | 2" | 2" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Top |
| Min Tank | 10 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.