Can discus live with electric blue acaras?

Verdict
Yes, with care

Yes, with care. Discus and electric blue acaras can share a tank, but watch one thing. They only share 82°F. Keep the heater set there and steady.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 82°Discus 82–88°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7Discus 5.5–7Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Discus · 6 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

DiscusElectric blue acara
Temperature82–88 °F72–82 °F
pH5.5–76.5–7.5
Adult size6.0 in6.0 in
Minimum tank55 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 5+Alone or in pairs
DietCarnivoreOmnivore

Better tank mates for discus

All discus tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can discus live with electric blue acaras?

Yes, with care. Discus and electric blue acaras can share a tank, but watch one thing. They only share 82°F. Keep the heater set there and steady.

What temperature suits both discus and electric blue acaras?

82–82 °F. Discus need 82–88 °F, electric blue acaras need 72–82 °F.

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

At least 55 gal, set by the discus. Add space for each extra fish.