Can Molly live with Red Swordtail? Compatible
Generally compatible under good conditions.
Side by side
| 🐠 Molly | 🐠 Red Swordtail | |
| Adult size | 4.5" | 5.5" |
| Min tank | 20 gal | 20 gal |
| Temperature | 72–82°F | 72–82°F |
| pH | 7.5–8.5 | 7–8.4 |
| Temperament | Peaceful | Semi-aggressive |