Can bristlenose plecos live with electric blue acaras?

Verdict
Yes

Yes. Bristlenose plecos and electric blue acaras get along in the same tank. Both are fine at 73–81°F. Plan on at least 30 gal.

Bristlenose plecoBristlenose pleco73–81°F · pH 6.5–7.5 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: 73–81°Bristlenose pleco 73–81°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Bristlenose pleco 6.5–7.5Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Bristlenose pleco · 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

Bristlenose plecoElectric blue acara
Temperature73–81 °F72–82 °F
pH6.5–7.56.5–7.5
Adult size5.0 in6.0 in
Minimum tank30 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsAlone or in pairs
DietHerbivoreOmnivore

Better tank mates for bristlenose plecos

All bristlenose pleco tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can bristlenose plecos live with electric blue acaras?

Yes. Bristlenose plecos and electric blue acaras get along in the same tank. Both are fine at 73–81°F. Plan on at least 30 gal.

What temperature suits both bristlenose plecos and electric blue acaras?

73–81 °F. Bristlenose plecos need 73–81 °F, electric blue acaras need 72–82 °F.

What size tank do bristlenose plecos and electric blue acaras need together?

At least 30 gal, set by the bristlenose pleco. Add space for each extra fish.