Can Discus Live With Gardneri Killifish?
Discus and Gardneri Killifish are NOT compatible tank mates.
Detailed Analysis
Temperature
✗ Not Compatible
No temperature overlap. Discus needs 82–88°F, but Gardneri Killifish needs 72–79°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 Gardneri Killifish.
Temperament
⚠ Use Caution
Discus (peaceful) may have issues with Gardneri Killifish (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Discus: middle, Gardneri Killifish: top), 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: 60 gallons
| Parameter | Discus | Gardneri Killifish |
|---|---|---|
| Temperature | 82–88°F | 72–79°F |
| pH | 5.5–7 | 6–7.5 |
| Max Size | 8" | 2.5" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Middle | Top |
| Min Tank | 55 gal | 10 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.