Can pictus catfish live with electric blue acaras?

Verdict
Yes

Yes, pictus catfish and electric blue acaras can live together. Both are fine at 72–79°F. Plan on at least 55 gal.

Pictus catfishPictus catfish72–79°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: 72–79°Pictus catfish 72–79°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Pictus catfish 6–7.5Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Pictus catfish · 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

Pictus catfishElectric blue acara
Temperature72–79 °F72–82 °F
pH6–7.56.5–7.5
Adult size5.0 in6.0 in
Minimum tank55 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomMiddle
GroupGroups of 3+Alone or in pairs
DietCarnivoreOmnivore

Better tank mates for pictus catfish

All pictus catfish tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can pictus catfish live with electric blue acaras?

Yes, pictus catfish and electric blue acaras can live together. Both are fine at 72–79°F. Plan on at least 55 gal.

What temperature suits both pictus catfish and electric blue acaras?

72–79 °F. Pictus catfish need 72–79 °F, electric blue acaras need 72–82 °F.

What size tank do pictus catfish and electric blue acaras need together?

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