Can boesemani rainbowfish live with electric blue acaras?

Verdict
Yes

Yes, boesemani rainbowfish and electric blue acaras can live together. Both are fine at 75–82°F. Plan on at least 30 gal.

Boesemani rainbowfishBoesemani rainbowfish75–82°F · pH 7–8 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: 75–82°Boesemani rainbowfish 75–82°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Boesemani rainbowfish 7–8Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Boesemani rainbowfish · 4 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

Boesemani rainbowfishElectric blue acara
Temperature75–82 °F72–82 °F
pH7–86.5–7.5
Adult size4.0 in6.0 in
Minimum tank30 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for boesemani rainbowfish

All boesemani rainbowfish tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can boesemani rainbowfish live with electric blue acaras?

Yes, boesemani rainbowfish and electric blue acaras can live together. Both are fine at 75–82°F. Plan on at least 30 gal.

What temperature suits both boesemani rainbowfish and electric blue acaras?

75–82 °F. Boesemani rainbowfish need 75–82 °F, electric blue acaras need 72–82 °F.

What size tank do boesemani rainbowfish and electric blue acaras need together?

At least 30 gal, set by the boesemani rainbowfish. Add space for each extra fish.