Can mollies and kuhli loaches live together?
No
Mollies and kuhli loaches should not share a tank.
Why
- Mollies want a pH of 7.5 or higher, but kuhli loaches want 7.0 or lower. No pH suits both.
What each one needs
| Molly | Kuhli loach | Both | |
|---|---|---|---|
| Temperature | 72–82°F (22–28°C) | 75–86°F (24–30°C) | 75–82°F (24–28°C) |
| pH | 7.5–8.5 | 5.5–7.0 | No overlap |
| Minimum tank | 20 gal (76 L) | 20 gal (76 L) | 20 gal (76 L) |
| Keep at least | 3 | 5 | |
| Adult size | 4 in (10.2 cm) | 4 in (10.2 cm) |