Can yoyo loaches live with electric blue acaras?

Verdict
Yes

Yes. Yoyo loaches and electric blue acaras get along in the same tank. Both are fine at 75–82°F. Plan on at least 40 gal.

Yoyo loachYoyo loach75–86°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: 75–82°Yoyo loach 75–86°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Yoyo loach 6–7.5Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Yoyo loach · 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

Yoyo loachElectric blue acara
Temperature75–86 °F72–82 °F
pH6–7.56.5–7.5
Adult size5.0 in6.0 in
Minimum tank40 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomMiddle
GroupGroups of 5+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for yoyo loaches

All yoyo loach tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can yoyo loaches live with electric blue acaras?

Yes. Yoyo loaches and electric blue acaras get along in the same tank. Both are fine at 75–82°F. Plan on at least 40 gal.

What temperature suits both yoyo loaches and electric blue acaras?

75–82 °F. Yoyo loaches need 75–86 °F, electric blue acaras need 72–82 °F.

What size tank do yoyo loaches and electric blue acaras need together?

At least 40 gal, set by the yoyo loach. Add space for each extra fish.