Can Boesemani Rainbowfish live with Cardinal Tetra? With caution
Preferred water chemistry differs — manageable but not ideal.
Side by side
| 🐟 Boesemani Rainbowfish | 🐟 Cardinal Tetra | |
| Adult size | 4.5" | 2" |
| Min tank | 55 gal | 15 gal |
| Temperature | 75–86°F | 73–81°F |
| pH | 7–8 | 4.5–6.5 |
| 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.