Can Cardinal Tetra live with Three-Spot Gourami? With caution
Large size gap — watch that Three-Spot Gourami doesn't bully Cardinal Tetra.
Side by side
| 🐟 Cardinal Tetra | 🐡 Three-Spot Gourami | |
| Adult size | 2" | 5" |
| Min tank | 15 gal | 30 gal |
| Temperature | 73–81°F | 74–82°F |
| pH | 4.5–6.5 | 6–8 |
| Temperament | Peaceful | Semi-aggressive |
How to make it work
- Large size gap — watch that Three-Spot Gourami doesn't bully Cardinal Tetra.
- Provide ample swimming space, sight breaks, and matched water parameters.