Can angelfish live with koi?
Verdict
No
No. Angelfish and koi should not share a tank. Koi are coldwater animals (59–77°F); angelfish need 76–84°F. They overlap only at 76–77°F, the edge of both ranges.
What to watch
- Deal breakerKoi are coldwater animals (59–77°F); angelfish need 76–84°F. They overlap only at 76–77°F, the edge of both ranges.
- Watch outA grown koi may treat small angelfish as food, especially at night.
What works
- pH 7–7.5 suits both.
Water side by side
Size to scale
Care at a glance
| Angelfish | Koi | |
|---|---|---|
| Temperature | 76–84 °F | 59–77 °F |
| pH | 6–7.5 | 7–8.5 |
| Adult size | 6.0 in | 24.0 in |
| Minimum tank | 30 gal | Pond |
| Temperament | Semi-aggressive | Peaceful |
| Swims at | Middle | All levels |
| Group | Alone or in pairs | Groups of 3+ |
| Diet | Omnivore | Omnivore |
Better tank mates for angelfish
Better tank mates for koi
Questions
Can angelfish live with koi?
No. Angelfish and koi should not share a tank. Koi are coldwater animals (59–77°F); angelfish need 76–84°F. They overlap only at 76–77°F, the edge of both ranges.
What temperature suits both angelfish and koi?
76–77 °F. Angelfish need 76–84 °F, koi need 59–77 °F.
What size tank do angelfish and koi need together?
A pond. Koi outgrow indoor tanks.