Can Common Goldfish live with Discus? Not recommended
Temperature ranges don't overlap (82–88°F vs 60–72°F).
Side by side
| 🐠 Common Goldfish | 🐡 Discus | |
| Adult size | 12" | 6" |
| Min tank | 40 gal | 55 gal |
| Temperature | 60–72°F | 82–88°F |
| pH | 6.5–8 | 6–7 |
| Temperament | Peaceful | Peaceful |