Can ghost shrimp live with electric blue acaras?

Verdict
No

No. Ghost shrimp and electric blue acaras should not share a tank. An electric blue acara is big enough to swallow adult ghost shrimp.

Ghost shrimpGhost shrimp65–82°F · pH 7–8 Electric blue acaraElectric blue acara72–82°F · pH 6.5–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–82°Ghost shrimp 65–82°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Ghost shrimp 7–8Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Ghost shrimp · 1.5 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

Ghost shrimpElectric blue acara
Temperature65–82 °F72–82 °F
pH7–86.5–7.5
Adult size1.5 in6.0 in
Minimum tank5 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupGroups of 3+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for ghost shrimp

All ghost shrimp tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can ghost shrimp live with electric blue acaras?

No. Ghost shrimp and electric blue acaras should not share a tank. An electric blue acara is big enough to swallow adult ghost shrimp.

What temperature suits both ghost shrimp and electric blue acaras?

72–82 °F. Ghost shrimp need 65–82 °F, electric blue acaras need 72–82 °F.

What size tank do ghost shrimp and electric blue acaras need together?

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