Can severums live with electric blue acaras?

Verdict
Yes

Yes, severums and electric blue acaras can live together. Both are fine at 74–82°F. Plan on at least 55 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–82°Severum 74–84°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7Severum 6–7Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Severum · 8 inElectric blue acara · 6 in0"1"2"3"4"5"6"7"8"
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

SeverumElectric blue acara
Temperature74–84 °F72–82 °F
pH6–76.5–7.5
Adult size8.0 in6.0 in
Minimum tank55 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleMiddle
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for severums

All severum tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can severums live with electric blue acaras?

Yes, severums and electric blue acaras can live together. Both are fine at 74–82°F. Plan on at least 55 gal.

What temperature suits both severums and electric blue acaras?

74–82 °F. Severums need 74–84 °F, electric blue acaras need 72–82 °F.

What size tank do severums and electric blue acaras need together?

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