Can Discus live with Harlequin Rasbora? Not recommended
Temperature ranges don't overlap (82–88°F vs 72–80°F).
Side by side
| 🐡 Discus | 🐟 Harlequin Rasbora | |
| Adult size | 6" | 2" |
| Min tank | 55 gal | 15 gal |
| Temperature | 82–88°F | 72–80°F |
| pH | 6–7 | 6–7.5 |
| Temperament | Peaceful | Peaceful |
Why
- Temperature ranges don't overlap (82–88°F vs 72–80°F).
- Large size gap — watch that Discus doesn't bully Harlequin Rasbora.