Can Molly live with Rummynose Tetra? With caution
Preferred water chemistry differs — manageable but not ideal.
Side by side
| 🐠 Molly | 🐟 Rummynose Tetra | |
| Adult size | 4.5" | 2.5" |
| Min tank | 20 gal | 20 gal |
| Temperature | 72–82°F | 75–84°F |
| pH | 7.5–8.5 | 5.5–7 |
| Temperament | Peaceful | Peaceful |
How to make it work
- Preferred water chemistry differs — manageable but not ideal.
- Provide ample swimming space, sight breaks, and matched water parameters.