Can Discus live with Oscar? Not recommended
Temperature ranges don't overlap (82–88°F vs 74–81°F).
Side by side
| 🐡 Discus | 🐡 Oscar | |
| Adult size | 6" | 12" |
| Min tank | 55 gal | 75 gal |
| Temperature | 82–88°F | 74–81°F |
| pH | 6–7 | 6–8 |
| Temperament | Peaceful | Aggressive |
Why
- Temperature ranges don't overlap (82–88°F vs 74–81°F).
- Oscar is large or predatory enough to eat or harass Discus.
- Aggressive plus peaceful pairing — monitor for stress.