Can Cardinal Tetra live with Congo Tetra? Compatible
Generally compatible under good conditions.
Side by side
| 🐟 Cardinal Tetra | 🐟 Congo Tetra | |
| Adult size | 2" | 3" |
| Min tank | 15 gal | 30 gal |
| Temperature | 73–81°F | 73–82°F |
| pH | 4.5–6.5 | 6–7.5 |
| Temperament | Peaceful | Peaceful |