Can Betta (male) live with Upside-Down Catfish? With caution
Aggressive plus peaceful pairing — monitor for stress.
Side by side
| 🐟 Betta (male) | 🐡 Upside-Down Catfish | |
| Adult size | 2.8" | 3.5" |
| Min tank | 5 gal | 20 gal |
| Temperature | 76–82°F | 72–82°F |
| pH | 6–7.5 | 6–7.5 |
| 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.