Can Cardinal Tetra live with Dwarf Pufferfish? With caution
Aggressive plus peaceful pairing — monitor for stress.
Side by side
| 🐟 Cardinal Tetra | 🐡 Dwarf Pufferfish | |
| Adult size | 2" | 1.4" |
| Min tank | 15 gal | 10 gal |
| Temperature | 73–81°F | 72–82°F |
| pH | 4.5–6.5 | 6.5–7.5 |
| Temperament | Peaceful | Aggressive |
How to make it work
- Aggressive plus peaceful pairing — monitor for stress.
- Provide ample swimming space, sight breaks, and matched water parameters.