Can Common Goldfish live with Ember Tetra? Not recommended
Temperature ranges don't overlap (73–84°F vs 60–72°F).
Side by side
| 🐠 Common Goldfish | 🐟 Ember Tetra | |
| Adult size | 12" | 0.8" |
| Min tank | 40 gal | 10 gal |
| Temperature | 60–72°F | 73–84°F |
| pH | 6.5–8 | 5–7 |
| Temperament | Peaceful | Peaceful |
Why
- Temperature ranges don't overlap (73–84°F vs 60–72°F).
- Large size gap — watch that Common Goldfish doesn't bully Ember Tetra.