Can koi live with rams?
Verdict
No
No. Koi and rams should not share a tank. Koi are coldwater animals (59–77°F); rams need 80–86°F. No temperature suits both.
What to watch
- Deal breakerKoi are coldwater animals (59–77°F); rams need 80–86°F. No temperature suits both.
- Watch outWater chemistry is a squeeze. The only pH that suits both is around 7.
- Watch outAt 24 inches a koi can swallow a small german blue ram. Fast, alert fish usually stay out of reach.
Water side by side
Size to scale
Care at a glance
| Koi | German blue ram | |
|---|---|---|
| Temperature | 59–77 °F | 80–86 °F |
| pH | 7–8.5 | 5–7 |
| Adult size | 24.0 in | 2.5 in |
| Minimum tank | Pond | 20 gal |
| Temperament | Peaceful | Peaceful |
| Swims at | All levels | Bottom |
| Group | Groups of 3+ | Alone or in pairs |
| Diet | Omnivore | Omnivore |
Better tank mates for koi
Better tank mates for rams
All german blue ram tank mates
Questions
Can koi live with rams?
No. Koi and rams should not share a tank. Koi are coldwater animals (59–77°F); rams need 80–86°F. No temperature suits both.
What temperature suits both koi and rams?
None. Koi need 59–77 °F and rams need 80–86 °F, so the ranges do not meet.
What size tank do koi and rams need together?
A pond. Koi outgrow indoor tanks.