Can oscars live with elephant nose fish?

Verdict
Yes

Yes. Oscars and elephant nose fish make a good pair. Both are fine at 74–81°F. Plan on at least 75 gal.

OscarOscar74–81°F · pH 6–8 Elephant nose fishElephant nose fish73–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–81°Oscar 74–81°Elephant nose fish 73–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Oscar 6–8Elephant nose fish 6–7.5
The green band is the pH both tolerate.

Size to scale

Oscar · 12 inElephant nose fish · 9 in0"2"4"6"8"10"12"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

OscarElephant nose fish
Temperature74–81 °F73–82 °F
pH6–86–7.5
Adult size12.0 in9.0 in
Minimum tank75 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleBottom
GroupAlone or in pairsAlone or in pairs
DietCarnivoreCarnivore

Better tank mates for oscars

All oscar tank mates

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Questions

Can oscars live with elephant nose fish?

Yes. Oscars and elephant nose fish make a good pair. Both are fine at 74–81°F. Plan on at least 75 gal.

What temperature suits both oscars and elephant nose fish?

74–81 °F. Oscars need 74–81 °F, elephant nose fish need 73–82 °F.

What size tank do oscars and elephant nose fish need together?

At least 75 gal, set by the oscar. Add space for each extra fish.