Can honey gouramis live with ember tetras?

Verdict
Yes

Yes. Honey gouramis and ember tetras make a good pair. Both are fine at 73–82°F. Plan on at least 10 gal.

Honey gouramiHoney gourami72–82°F · pH 6–7.5 Ember tetraEmber tetra73–84°F · pH 5.5–7

Why it works

Water side by side

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

Size to scale

Honey gourami · 2 inEmber tetra · 0.8 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

Honey gouramiEmber tetra
Temperature72–82 °F73–84 °F
pH6–7.55.5–7
Adult size2.0 in0.8 in
Minimum tank10 gal5 gal
TemperamentPeacefulPeaceful
Swims atTopMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for honey gouramis

All honey gourami tank mates

Better tank mates for ember tetras

All ember tetra tank mates

Questions

Can honey gouramis live with ember tetras?

Yes. Honey gouramis and ember tetras make a good pair. Both are fine at 73–82°F. Plan on at least 10 gal.

What temperature suits both honey gouramis and ember tetras?

73–82 °F. Honey gouramis need 72–82 °F, ember tetras need 73–84 °F.

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

At least 10 gal, set by the honey gourami. Add space for each extra fish.