Can bichirs live with electric blue acaras?

Verdict
Yes

Yes. Bichirs and electric blue acaras make a good pair. Both are fine at 72–82°F. Plan on at least 75 gal.

BichirBichir72–82°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: 72–82°Bichir 72–82°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Bichir 6.5–7.5Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Bichir · 12 inElectric blue acara · 6 in0"2"4"6"8"10"12"
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

BichirElectric blue acara
Temperature72–82 °F72–82 °F
pH6.5–7.56.5–7.5
Adult size12.0 in6.0 in
Minimum tank75 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for bichirs

All bichir tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can bichirs live with electric blue acaras?

Yes. Bichirs and electric blue acaras make a good pair. Both are fine at 72–82°F. Plan on at least 75 gal.

What temperature suits both bichirs and electric blue acaras?

72–82 °F. Bichirs need 72–82 °F, electric blue acaras need 72–82 °F.

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

At least 75 gal, set by the bichir. Add space for each extra fish.