Can siamese algae eaters live with electric blue acaras?

Verdict
Yes

Yes, siamese algae eaters and electric blue acaras can live together. Both are fine at 75–79°F. Plan on at least 30 gal.

Siamese algae eaterSiamese algae eater75–79°F · pH 6.5–7.5 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: 75–79°Siamese algae eater 75–79°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Siamese algae eater 6.5–7.5Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Siamese algae eater · 6 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

Siamese algae eaterElectric blue acara
Temperature75–79 °F72–82 °F
pH6.5–7.56.5–7.5
Adult size6.0 in6.0 in
Minimum tank30 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsAlone or in pairs
DietHerbivoreOmnivore

Better tank mates for siamese algae eaters

All siamese algae eater tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can siamese algae eaters live with electric blue acaras?

Yes, siamese algae eaters and electric blue acaras can live together. Both are fine at 75–79°F. Plan on at least 30 gal.

What temperature suits both siamese algae eaters and electric blue acaras?

75–79 °F. Siamese algae eaters need 75–79 °F, electric blue acaras need 72–82 °F.

What size tank do siamese algae eaters and electric blue acaras need together?

At least 30 gal, set by the siamese algae eater. Add space for each extra fish.