Can kuhli loaches live with oscars?
Verdict
No
No. Kuhli loaches and oscars should not share a tank. An adult oscar eats fish that fit in its mouth, and at 3.5 inches kuhli loaches do.
What to watch
- Deal breakerAn adult oscar eats fish that fit in its mouth, and at 3.5 inches kuhli loaches do.
What works
- Both are fine at 75–81°F.
- pH 6–7 suits both.
- They use different parts of the tank: kuhli loaches the bottom, oscars the mid.
Water side by side
Size to scale
Care at a glance
| Kuhli loach | Oscar | |
|---|---|---|
| Temperature | 75–86 °F | 74–81 °F |
| pH | 5.5–7 | 6–8 |
| Adult size | 3.5 in | 12.0 in |
| Minimum tank | 20 gal | 75 gal |
| Temperament | Peaceful | Semi-aggressive |
| Swims at | Bottom | Middle |
| Group | Groups of 6+ | Alone or in pairs |
| Diet | Omnivore | Carnivore |
Better tank mates for kuhli loaches
Better tank mates for oscars
Common plecoYes
Clown loachYes
Black ghost knifeYes
BichirYes
Elephant nose fishYes
Chinese algae eaterYes
Questions
Can kuhli loaches live with oscars?
No. Kuhli loaches and oscars should not share a tank. An adult oscar eats fish that fit in its mouth, and at 3.5 inches kuhli loaches do.
What temperature suits both kuhli loaches and oscars?
75–81 °F. Kuhli loaches need 75–86 °F, oscars need 74–81 °F.
What size tank do kuhli loaches and oscars need together?
At least 75 gal, set by the oscar. Add space for each extra fish.