Can honey gouramis live with congo tetras?

Verdict
Yes

Yes, honey gouramis and congo tetras can live together. Both are fine at 73–82°F. Plan on at least 30 gal.

Honey gouramiHoney gourami72–82°F · pH 6–7.5 Congo tetraCongo tetra73–82°F · pH 6–7.5

Why it works

Water side by side

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

Size to scale

Honey gourami · 2 inCongo tetra · 3 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 gouramiCongo tetra
Temperature72–82 °F73–82 °F
pH6–7.56–7.5
Adult size2.0 in3.0 in
Minimum tank10 gal30 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 congo tetras

All congo tetra tank mates

Questions

Can honey gouramis live with congo tetras?

Yes, honey gouramis and congo tetras can live together. Both are fine at 73–82°F. Plan on at least 30 gal.

What temperature suits both honey gouramis and congo tetras?

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

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

At least 30 gal, set by the congo tetra. Add space for each extra fish.