Can kribensis live with electric blue acaras?

Verdict
Yes

Yes. Kribensis and electric blue acaras make a good pair. Both are fine at 75–80°F. Plan on at least 30 gal.

KribensisKribensis75–80°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: 75–80°Kribensis 75–80°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Kribensis 6–7.5Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Kribensis · 4 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

KribensisElectric blue acara
Temperature75–80 °F72–82 °F
pH6–7.56.5–7.5
Adult size4.0 in6.0 in
Minimum tank30 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for kribensis

All kribensis tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can kribensis live with electric blue acaras?

Yes. Kribensis and electric blue acaras make a good pair. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both kribensis and electric blue acaras?

75–80 °F. Kribensis need 75–80 °F, electric blue acaras need 72–82 °F.

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

At least 30 gal, set by the kribensis. Add space for each extra fish.