Can honey gouramis live with hatchetfish?

Verdict
Yes

Yes. Honey gouramis and hatchetfish get along in the same tank. Both are fine at 75–81°F. Plan on at least 20 gal.

Honey gouramiHoney gourami72–82°F · pH 6–7.5 HatchetfishHatchetfish75–81°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–81°Honey gourami 72–82°Hatchetfish 75–81°
The green band is the temperature range both can live in.
456789Both: 6–7.5Honey gourami 6–7.5Hatchetfish 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Honey gourami · 2 inHatchetfish · 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

Honey gouramiHatchetfish
Temperature72–82 °F75–81 °F
pH6–7.55.5–7.5
Adult size2.0 in1.5 in
Minimum tank10 gal20 gal
TemperamentPeacefulPeaceful
Swims atTopTop
GroupAlone or in pairsGroups of 6+
DietOmnivoreCarnivore

Better tank mates for honey gouramis

All honey gourami tank mates

Better tank mates for hatchetfish

All hatchetfish tank mates

Questions

Can honey gouramis live with hatchetfish?

Yes. Honey gouramis and hatchetfish get along in the same tank. Both are fine at 75–81°F. Plan on at least 20 gal.

What temperature suits both honey gouramis and hatchetfish?

75–81 °F. Honey gouramis need 72–82 °F, hatchetfish need 75–81 °F.

What size tank do honey gouramis and hatchetfish need together?

At least 20 gal, set by the hatchetfish. Add space for each extra fish.