Can Fancy Goldfish live with Marble Hatchetfish? Not recommended
Temperature ranges don't overlap (75–82°F vs 60–74°F).
Side by side
| 🐠 Fancy Goldfish | 🐟 Marble Hatchetfish | |
| Adult size | 8" | 1.4" |
| Min tank | 20 gal | 15 gal |
| Temperature | 60–74°F | 75–82°F |
| pH | 6.5–8 | 5.5–7 |
| Temperament | Peaceful | Peaceful |
Why
- Temperature ranges don't overlap (75–82°F vs 60–74°F).
- Large size gap — watch that Fancy Goldfish doesn't bully Marble Hatchetfish.