Can Cardinal Tetra Live With Rusty Cichlid?
Cardinal Tetra and Rusty Cichlid 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 Rusty Cichlid needs pH 7.5–8.5.
Size
✓ Compatible
Compatible sizes (2" and 4").
Temperament
⚠ Use Caution
Cardinal Tetra (peaceful) may have issues with Rusty Cichlid (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Swim level compatibility is fine.
Important Notes
- Cardinal Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 30 gallons
| Parameter | Cardinal Tetra | Rusty Cichlid |
|---|---|---|
| Temperature | 73–84°F | 75–82°F |
| pH | 5–7 | 7.5–8.5 |
| Max Size | 2" | 4" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Middle | Middle |
| Min Tank | 10 gal | 30 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.