Can Congo Tetra live with Fancy Goldfish? With caution
Large size gap — watch that Fancy Goldfish doesn't bully Congo Tetra.
Side by side
| 🐟 Congo Tetra | 🐠 Fancy Goldfish | |
| Adult size | 3" | 8" |
| Min tank | 30 gal | 20 gal |
| Temperature | 73–82°F | 60–74°F |
| pH | 6–7.5 | 6.5–8 |
| Temperament | Peaceful | Peaceful |
How to make it work
- Large size gap — watch that Fancy Goldfish doesn't bully Congo Tetra.
- Provide ample swimming space, sight breaks, and matched water parameters.