Can elephant nose fish live with electric blue acaras?

Verdict
Yes

Yes. Elephant nose fish and electric blue acaras make a good pair. Both are fine at 73–82°F. Plan on at least 55 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–82°Elephant nose fish 73–82°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Elephant nose fish 6–7.5Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Elephant nose fish · 9 inElectric blue acara · 6 in0"1"2"3"4"5"6"7"8"9"
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

Elephant nose fishElectric blue acara
Temperature73–82 °F72–82 °F
pH6–7.56.5–7.5
Adult size9.0 in6.0 in
Minimum tank55 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can elephant nose fish live with electric blue acaras?

Yes. Elephant nose fish and electric blue acaras make a good pair. Both are fine at 73–82°F. Plan on at least 55 gal.

What temperature suits both elephant nose fish and electric blue acaras?

73–82 °F. Elephant nose fish need 73–82 °F, electric blue acaras need 72–82 °F.

What size tank do elephant nose fish and electric blue acaras need together?

At least 55 gal, set by the elephant nose fish. Add space for each extra fish.