Can Cardinal Tetra Live With Trewavas Red Fin?
Cardinal Tetra and Trewavas Red Fin are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
✗ Not Compatible
No pH overlap. Cardinal Tetra needs pH 5–7, but Trewavas Red Fin needs pH 7.5–8.5.
Size
✓ Compatible
Compatible sizes (2" and 5").
Temperament
✗ Not Compatible
Cardinal Tetra (peaceful) is not compatible with Trewavas Red Fin (aggressive). Aggression or stress is very likely.
Swim Level
⚠ Use Caution
Both fish occupy the middle level and Trewavas Red Fin 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: 55 gallons
| Parameter | Cardinal Tetra | Trewavas Red Fin |
|---|---|---|
| Temperature | 73–84°F | 75–82°F |
| pH | 5–7 | 7.5–8.5 |
| Max Size | 2" | 5" |
| Temperament | Peaceful | Aggressive |
| Swim Level | Middle | Middle |
| Min Tank | 10 gal | 55 gal |
Check More Combinations
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