Can oscars live with pygmy corys?
Verdict
No
No. Oscars and pygmy corys should not share a tank. An adult oscar eats fish that fit in its mouth, and at 1 inches pygmy corys do.
What to watch
- Deal breakerAn adult oscar eats fish that fit in its mouth, and at 1 inches pygmy corys do.
- Watch outOscars grow to 12 inches and need 75 gallons, far more than a tank set up for pygmy corys.
What works
- Both are fine at 74–79°F.
- pH 6–7.5 suits both.
Water side by side
Size to scale
Care at a glance
| Oscar | Pygmy cory | |
|---|---|---|
| Temperature | 74–81 °F | 72–79 °F |
| pH | 6–8 | 6–7.5 |
| Adult size | 12.0 in | 1.0 in |
| Minimum tank | 75 gal | 10 gal |
| Temperament | Semi-aggressive | Peaceful |
| Swims at | Middle | Middle |
| Group | Alone or in pairs | Groups of 6+ |
| Diet | Carnivore | Omnivore |
Better tank mates for oscars
Common plecoYes
Clown loachYes
Black ghost knifeYes
BichirYes
Elephant nose fishYes
Chinese algae eaterYes
Better tank mates for pygmy corys
Questions
Can oscars live with pygmy corys?
No. Oscars and pygmy corys should not share a tank. An adult oscar eats fish that fit in its mouth, and at 1 inches pygmy corys do.
What temperature suits both oscars and pygmy corys?
74–79 °F. Oscars need 74–81 °F, pygmy corys need 72–79 °F.
What size tank do oscars and pygmy corys need together?
At least 75 gal, set by the oscar. Add space for each extra fish.