Can fancy goldfish live with serpae tetras?
Verdict
No
No. Fancy goldfish and serpae tetras should not share a tank. Fancy goldfish are coldwater animals (65–74°F); serpae tetras need 72–79°F. They overlap only at 72–74°F, the edge of both ranges.
What to watch
- Deal breakerFancy goldfish are coldwater animals (65–74°F); serpae tetras need 72–79°F. They overlap only at 72–74°F, the edge of both ranges.
- Deal breakerSerpae tetras nip fins, and the long fins of fancy goldfish are an easy target.
What works
- pH 7–7.5 suits both.
Water side by side
Size to scale
Care at a glance
| Fancy goldfish | Serpae tetra | |
|---|---|---|
| Temperature | 65–74 °F | 72–79 °F |
| pH | 7–8 | 6–7.5 |
| Adult size | 6.0 in | 1.75 in |
| Minimum tank | 30 gal | 20 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 fancy goldfish
Better tank mates for serpae tetras
Questions
Can fancy goldfish live with serpae tetras?
No. Fancy goldfish and serpae tetras should not share a tank. Fancy goldfish are coldwater animals (65–74°F); serpae tetras need 72–79°F. They overlap only at 72–74°F, the edge of both ranges.
What temperature suits both fancy goldfish and serpae tetras?
72–74 °F. Fancy goldfish need 65–74 °F, serpae tetras need 72–79 °F.
What size tank do fancy goldfish and serpae tetras need together?
At least 30 gal, set by the fancy goldfish. Add space for each extra fish.