Can Betta (male) live with Rummynose Tetra? With caution
Aggressive plus peaceful pairing — monitor for stress.
Side by side
| 🐟 Betta (male) | 🐟 Rummynose Tetra | |
| Adult size | 2.8" | 2.5" |
| Min tank | 5 gal | 20 gal |
| Temperature | 76–82°F | 75–84°F |
| pH | 6–7.5 | 5.5–7 |
| Temperament | Aggressive | Peaceful |
How to make it work
- Aggressive plus peaceful pairing — monitor for stress.
- Provide ample swimming space, sight breaks, and matched water parameters.