Can electric blue acaras live with tinfoil barbs?

Verdict
Yes, with care

Yes, with care. Electric blue acaras and tinfoil barbs can share a tank, but watch one thing. Tinfoil barbs grow to 12 inches and need 125 gallons, far more than a tank set up for electric blue acaras.

Electric blue acaraElectric blue acara72–82°F · pH 6.5–7.5 Tinfoil barbTinfoil barb72–80°F · pH 6.5–7.5

What to watch

What works

Water side by side

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

Size to scale

Electric blue acara · 6 inTinfoil barb · 12 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

Electric blue acaraTinfoil barb
Temperature72–82 °F72–80 °F
pH6.5–7.56.5–7.5
Adult size6.0 in12.0 in
Minimum tank30 gal125 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleMiddle
GroupAlone or in pairsGroups of 5+
DietOmnivoreOmnivore

Better tank mates for electric blue acaras

All electric blue acara tank mates

Better tank mates for tinfoil barbs

All tinfoil barb tank mates

Questions

Can electric blue acaras live with tinfoil barbs?

Yes, with care. Electric blue acaras and tinfoil barbs can share a tank, but watch one thing. Tinfoil barbs grow to 12 inches and need 125 gallons, far more than a tank set up for electric blue acaras.

What temperature suits both electric blue acaras and tinfoil barbs?

72–80 °F. Electric blue acaras need 72–82 °F, tinfoil barbs need 72–80 °F.

What size tank do electric blue acaras and tinfoil barbs need together?

At least 125 gal, set by the tinfoil barb. Add space for each extra fish.