Can hillstream loaches live with honey gouramis?

Verdict
Yes

Yes. Hillstream loaches and honey gouramis get along in the same tank. Both are fine at 72–75°F. Plan on at least 20 gal.

Hillstream loachHillstream loach68–75°F · pH 6.5–7.5 Honey gouramiHoney gourami72–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–75°Hillstream loach 68–75°Honey gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Hillstream loach 6.5–7.5Honey gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Hillstream loach · 2.5 inHoney gourami · 2 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

Hillstream loachHoney gourami
Temperature68–75 °F72–82 °F
pH6.5–7.56–7.5
Adult size2.5 in2.0 in
Minimum tank20 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomTop
GroupGroups of 3+Alone or in pairs
DietHerbivoreOmnivore

Better tank mates for hillstream loaches

All hillstream loach tank mates

Better tank mates for honey gouramis

All honey gourami tank mates

Questions

Can hillstream loaches live with honey gouramis?

Yes. Hillstream loaches and honey gouramis get along in the same tank. Both are fine at 72–75°F. Plan on at least 20 gal.

What temperature suits both hillstream loaches and honey gouramis?

72–75 °F. Hillstream loaches need 68–75 °F, honey gouramis need 72–82 °F.

What size tank do hillstream loaches and honey gouramis need together?

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