Can electric blue acaras live with endlers?

Verdict
Yes, with care

Yes, with care. Electric blue acaras and endlers can share a tank, but watch one thing. At 6 inches an electric blue acara can swallow a small endler's livebearer. Fast, alert fish usually stay out of reach.

What to watch

What works

Water side by side

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

Size to scale

Electric blue acara · 6 inEndler's livebearer · 1 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

Electric blue acaraEndler's livebearer
Temperature72–82 °F72–82 °F
pH6.5–7.57–8
Adult size6.0 in1.0 in
Minimum tank30 gal5 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleTop
GroupAlone or in pairsGroups of 3+
DietOmnivoreOmnivore

Better tank mates for electric blue acaras

All electric blue acara tank mates

Better tank mates for endlers

All endler's livebearer tank mates

Questions

Can electric blue acaras live with endlers?

Yes, with care. Electric blue acaras and endlers can share a tank, but watch one thing. At 6 inches an electric blue acara can swallow a small endler's livebearer. Fast, alert fish usually stay out of reach.

What temperature suits both electric blue acaras and endlers?

72–82 °F. Electric blue acaras need 72–82 °F, endlers need 72–82 °F.

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

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