Can ember tetras live with sparkling gouramis?

Verdict
Yes

Yes, ember tetras and sparkling gouramis can live together. Both are fine at 73–82°F. Plan on at least 5 gal.

Ember tetraEmber tetra73–84°F · pH 5.5–7 Sparkling gouramiSparkling gourami72–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–82°Ember tetra 73–84°Sparkling gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7Ember tetra 5.5–7Sparkling gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Ember tetra · 0.8 inSparkling gourami · 1.5 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

Ember tetraSparkling gourami
Temperature73–84 °F72–82 °F
pH5.5–76–7.5
Adult size0.8 in1.5 in
Minimum tank5 gal5 gal
TemperamentPeacefulPeaceful
Swims atMiddleTop
GroupGroups of 6+Groups of 4+
DietOmnivoreOmnivore

Better tank mates for ember tetras

All ember tetra tank mates

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Questions

Can ember tetras live with sparkling gouramis?

Yes, ember tetras and sparkling gouramis can live together. Both are fine at 73–82°F. Plan on at least 5 gal.

What temperature suits both ember tetras and sparkling gouramis?

73–82 °F. Ember tetras need 73–84 °F, sparkling gouramis need 72–82 °F.

What size tank do ember tetras and sparkling gouramis need together?

At least 5 gal, set by the ember tetra. Add space for each extra fish.