Can sparkling gouramis live with siamese algae eaters?

Verdict
Yes

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

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Sparkling gourami 72–82°Siamese algae eater 75–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Sparkling gourami 6–7.5Siamese algae eater 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Sparkling gourami · 1.5 inSiamese algae eater · 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

Sparkling gouramiSiamese algae eater
Temperature72–82 °F75–79 °F
pH6–7.56.5–7.5
Adult size1.5 in6.0 in
Minimum tank5 gal30 gal
TemperamentPeacefulPeaceful
Swims atTopBottom
GroupGroups of 4+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Better tank mates for siamese algae eaters

All siamese algae eater tank mates

Questions

Can sparkling gouramis live with siamese algae eaters?

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

What temperature suits both sparkling gouramis and siamese algae eaters?

75–79 °F. Sparkling gouramis need 72–82 °F, siamese algae eaters need 75–79 °F.

What size tank do sparkling gouramis and siamese algae eaters need together?

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