Can Discus Live With Whiptail Catfish?
Discus and Whiptail Catfish are NOT compatible tank mates.
Detailed Analysis
Temperature
✗ Not Compatible
No temperature overlap. Discus needs 82–88°F, but Whiptail Catfish needs 73–79°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✓ Compatible
Compatible sizes (8" and 4.5").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Discus: middle, Whiptail Catfish: bottom), reducing conflict.
Important Notes
- Discus is a schooling fish and needs at least 5 of its kind.
Tank Requirements
Minimum tank size for this combination: 65 gallons
| Parameter | Discus | Whiptail Catfish |
|---|---|---|
| Temperature | 82–88°F | 73–79°F |
| pH | 5.5–7 | 6–7.5 |
| Max Size | 8" | 4.5" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Bottom |
| Min Tank | 55 gal | 20 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.