Can oscars live with glass catfish?
Verdict
No
No. Oscars and glass catfish should not share a tank. An adult oscar eats fish that fit in its mouth, and at 3 inches glass catfish do.
What to watch
- Deal breakerAn adult oscar eats fish that fit in its mouth, and at 3 inches glass catfish do.
What works
- Both are fine at 75–80°F.
- pH 6.5–7.5 suits both.
Water side by side
Size to scale
Care at a glance
| Oscar | Glass catfish | |
|---|---|---|
| Temperature | 74–81 °F | 75–80 °F |
| pH | 6–8 | 6.5–7.5 |
| Adult size | 12.0 in | 3.0 in |
| Minimum tank | 75 gal | 30 gal |
| Temperament | Semi-aggressive | Peaceful |
| Swims at | Middle | Middle |
| Group | Alone or in pairs | Groups of 6+ |
| Diet | Carnivore | Carnivore |
Better tank mates for oscars
Common plecoYes
Clown loachYes
Black ghost knifeYes
BichirYes
Elephant nose fishYes
Chinese algae eaterYes
Better tank mates for glass catfish
Questions
Can oscars live with glass catfish?
No. Oscars and glass catfish should not share a tank. An adult oscar eats fish that fit in its mouth, and at 3 inches glass catfish do.
What temperature suits both oscars and glass catfish?
75–80 °F. Oscars need 74–81 °F, glass catfish need 75–80 °F.
What size tank do oscars and glass catfish need together?
At least 75 gal, set by the oscar. Add space for each extra fish.