Can Cardinal Tetra live with Peacock Cichlid? With caution
Preferred water chemistry differs — manageable but not ideal.
Side by side
| 🐟 Cardinal Tetra | 🐡 Peacock Cichlid | |
| Adult size | 2" | 6" |
| Min tank | 15 gal | 55 gal |
| Temperature | 73–81°F | 76–82°F |
| pH | 4.5–6.5 | 7.6–8.6 |
| Temperament | Peaceful | Semi-aggressive |
Why
- Preferred water chemistry differs — manageable but not ideal.
- Large size gap — watch that Peacock Cichlid doesn't bully Cardinal Tetra.
How to make it work
- Preferred water chemistry differs — manageable but not ideal.
- Large size gap — watch that Peacock Cichlid doesn't bully Cardinal Tetra.
- Provide ample swimming space, sight breaks, and matched water parameters.