Can Black Neon Tetra live with Cardinal Tetra? Compatible
Generally compatible under good conditions.
Side by side
| 🐟 Black Neon Tetra | 🐟 Cardinal Tetra | |
| Adult size | 1.6" | 2" |
| Min tank | 15 gal | 15 gal |
| Temperature | 73–81°F | 73–81°F |
| pH | 5.5–7.5 | 4.5–6.5 |
| Temperament | Peaceful | Peaceful |