Can Cardinal Tetra live with Paradise Fish? With caution
Paradise Fish may bully or stress the smaller Cardinal Tetra — provide space and cover.
Side by side
| 🐟 Cardinal Tetra | 🐟 Paradise Fish | |
| Adult size | 2" | 2.6" |
| Min tank | 15 gal | 20 gal |
| Temperature | 73–81°F | 61–79°F |
| pH | 4.5–6.5 | 6–8 |
| Temperament | Peaceful | Aggressive |
Why
- Paradise Fish may bully or stress the smaller Cardinal Tetra — provide space and cover.
- Aggressive plus peaceful pairing — monitor for stress.
How to make it work
- Paradise Fish may bully or stress the smaller Cardinal Tetra — provide space and cover.
- Aggressive plus peaceful pairing — monitor for stress.
- Provide ample swimming space, sight breaks, and matched water parameters.