Can goldfish live with glofish?
Verdict
No
No. Goldfish and glofish should not share a tank. Goldfish are coldwater animals (60–74°F); glofish need 72–80°F. They overlap only at 72–74°F, the edge of both ranges.
What to watch
- Deal breakerGoldfish are coldwater animals (60–74°F); glofish need 72–80°F. They overlap only at 72–74°F, the edge of both ranges.
- Watch outA grown goldfish may treat small glofish as food, especially at night.
What works
- pH 7–7.5 suits both.
Water side by side
Size to scale
Care at a glance
| Goldfish | GloFish tetra | |
|---|---|---|
| Temperature | 60–74 °F | 72–80 °F |
| pH | 7–8 | 6–7.5 |
| Adult size | 10.0 in | 2.5 in |
| Minimum tank | 40 gal | 15 gal |
| Temperament | Peaceful | Semi-aggressive |
| Swims at | All levels | Middle |
| Group | Alone or in pairs | Groups of 6+ |
| Diet | Omnivore | Omnivore |
Better tank mates for goldfish
Better tank mates for glofish
Questions
Can goldfish live with glofish?
No. Goldfish and glofish should not share a tank. Goldfish are coldwater animals (60–74°F); glofish need 72–80°F. They overlap only at 72–74°F, the edge of both ranges.
What temperature suits both goldfish and glofish?
72–74 °F. Goldfish need 60–74 °F, glofish need 72–80 °F.
What size tank do goldfish and glofish need together?
At least 40 gal, set by the goldfish. Add space for each extra fish.