Can koi live with neon tetras?
Verdict
Yes, with care
Yes, with care. Koi and neon tetras can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.
What to watch
- 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 neon tetra. Fast, alert fish usually stay out of reach.
What works
- Both are fine at 72–77°F.
Water side by side
Size to scale
Care at a glance
| Koi | Neon tetra | |
|---|---|---|
| Temperature | 59–77 °F | 72–79 °F |
| pH | 7–8.5 | 6–7 |
| Adult size | 24.0 in | 1.5 in |
| Minimum tank | Pond | 10 gal |
| Temperament | Peaceful | Peaceful |
| Swims at | All levels | Middle |
| Group | Groups of 3+ | Groups of 6+ |
| Diet | Omnivore | Omnivore |
Better tank mates for koi
Better tank mates for neon tetras
Questions
Can koi live with neon tetras?
Yes, with care. Koi and neon tetras can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.
What temperature suits both koi and neon tetras?
72–77 °F. Koi need 59–77 °F, neon tetras need 72–79 °F.
What size tank do koi and neon tetras need together?
A pond. Koi outgrow indoor tanks.