Can zebra plecos live with electric blue acaras?

Verdict
Yes

Yes. Zebra plecos and electric blue acaras make a good pair. Both are fine at 79–82°F. Plan on at least 30 gal.

Zebra plecoZebra pleco79–88°F · pH 6–7.5 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: 79–82°Zebra pleco 79–88°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Zebra pleco 6–7.5Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Zebra pleco · 3.5 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

Zebra plecoElectric blue acara
Temperature79–88 °F72–82 °F
pH6–7.56.5–7.5
Adult size3.5 in6.0 in
Minimum tank30 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for zebra plecos

All zebra pleco tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can zebra plecos live with electric blue acaras?

Yes. Zebra plecos and electric blue acaras make a good pair. Both are fine at 79–82°F. Plan on at least 30 gal.

What temperature suits both zebra plecos and electric blue acaras?

79–82 °F. Zebra plecos need 79–88 °F, electric blue acaras need 72–82 °F.

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

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