Can Common Goldfish live with Red Swordtail? Compatible
Generally compatible under good conditions.
Side by side
| 🐠 Common Goldfish | 🐠 Red Swordtail | |
| Adult size | 12" | 5.5" |
| Min tank | 40 gal | 20 gal |
| Temperature | 60–72°F | 72–82°F |
| pH | 6.5–8 | 7–8.4 |
| Temperament | Peaceful | Semi-aggressive |