Can Discus Live With Pearl Danio?
Discus and Pearl Danio are NOT compatible tank mates.
Detailed Analysis
Temperature
✗ Not Compatible
No temperature overlap. Discus needs 82–88°F, but Pearl Danio needs 64–77°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
⚠ Use Caution
Significant size difference (8" vs 2.5"). Discus may bully or stress Pearl Danio.
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Discus: middle, Pearl Danio: top), reducing conflict.
Important Notes
- Discus is a schooling fish and needs at least 5 of its kind.
- Pearl Danio is a schooling fish and needs at least 5 of its kind.
Tank Requirements
Minimum tank size for this combination: 63 gallons
| Parameter | Discus | Pearl Danio |
|---|---|---|
| Temperature | 82–88°F | 64–77°F |
| pH | 5.5–7 | 6–8 |
| Max Size | 8" | 2.5" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Top |
| Min Tank | 55 gal | 15 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.