Can Fancy Goldfish live with Severum? Not recommended
Temperature ranges don't overlap (75–84°F vs 60–74°F).
Side by side
| 🐠 Fancy Goldfish | 🐡 Severum | |
| Adult size | 8" | 8" |
| Min tank | 20 gal | 55 gal |
| Temperature | 60–74°F | 75–84°F |
| pH | 6.5–8 | 5.5–7 |
| Temperament | Peaceful | Semi-aggressive |