Can Cardinal Tetra Live With Deep Water Hap?
Cardinal Tetra and Deep Water Hap 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 Deep Water Hap needs pH 7.5–8.5.
Size
✓ Compatible
Compatible sizes (2" and 6").
Temperament
⚠ Use Caution
Cardinal Tetra (peaceful) may have issues with Deep Water Hap (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: 55 gallons
| Parameter | Cardinal Tetra | Deep Water Hap |
|---|---|---|
| Temperature | 73–84°F | 75–82°F |
| pH | 5–7 | 7.5–8.5 |
| Max Size | 2" | 6" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Middle | Middle |
| Min Tank | 10 gal | 55 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.