Can rams live with electric blue acaras?

Verdict
Yes

Yes, rams and electric blue acaras can live together. Both are fine at 80–82°F. Plan on at least 30 gal.

German blue ramGerman blue ram80–86°F · pH 5–7 Electric blue acaraElectric blue acara72–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 80–82°German blue ram 80–86°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7German blue ram 5–7Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

German blue ram · 2.5 inElectric blue acara · 6 in0"1"2"3"4"5"6"
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

German blue ramElectric blue acara
Temperature80–86 °F72–82 °F
pH5–76.5–7.5
Adult size2.5 in6.0 in
Minimum tank20 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for rams

All german blue ram tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can rams live with electric blue acaras?

Yes, rams and electric blue acaras can live together. Both are fine at 80–82°F. Plan on at least 30 gal.

What temperature suits both rams and electric blue acaras?

80–82 °F. Rams need 80–86 °F, electric blue acaras need 72–82 °F.

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

At least 30 gal, set by the electric blue acara. Add space for each extra fish.