Can chili rasboras live with electric blue acaras?

Verdict
Yes, with care

Yes, with care. Chili rasboras and electric blue acaras can share a tank, but watch one thing. At 6 inches an electric blue acara can swallow a small chili rasbora. Fast, alert fish usually stay out of reach.

Chili rasboraChili rasbora75–82°F · pH 4–7 Electric blue acaraElectric blue acara72–82°F · pH 6.5–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Chili rasbora 75–82°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7Chili rasbora 4–7Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Chili rasbora · 0.8 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

Chili rasboraElectric blue acara
Temperature75–82 °F72–82 °F
pH4–76.5–7.5
Adult size0.8 in6.0 in
Minimum tank5 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 8+Alone or in pairs
DietCarnivoreOmnivore

Better tank mates for chili rasboras

All chili rasbora tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can chili rasboras live with electric blue acaras?

Yes, with care. Chili rasboras and electric blue acaras can share a tank, but watch one thing. At 6 inches an electric blue acara can swallow a small chili rasbora. Fast, alert fish usually stay out of reach.

What temperature suits both chili rasboras and electric blue acaras?

75–82 °F. Chili rasboras need 75–82 °F, electric blue acaras need 72–82 °F.

What size tank do chili rasboras and electric blue acaras need together?

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