Can Molly live with Neon Tetra? With caution
Preferred water chemistry differs — manageable but not ideal.
Side by side
| 🐠 Molly | 🐟 Neon Tetra | |
| Adult size | 4.5" | 1.5" |
| Min tank | 20 gal | 10 gal |
| Temperature | 72–82°F | 68–78°F |
| pH | 7.5–8.5 | 5–7 |
| Temperament | Peaceful | Peaceful |
Why
- Preferred water chemistry differs — manageable but not ideal.
- Large size gap — watch that Molly doesn't bully Neon Tetra.
How to make it work
- Preferred water chemistry differs — manageable but not ideal.
- Large size gap — watch that Molly doesn't bully Neon Tetra.
- Provide ample swimming space, sight breaks, and matched water parameters.