Can sparkling gouramis live with zebra loaches?

Verdict
Yes

Yes, sparkling gouramis and zebra loaches can live together. Both are fine at 73–79°F. Plan on at least 30 gal.

Sparkling gouramiSparkling gourami72–82°F · pH 6–7.5 Zebra loachZebra loach73–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–79°Sparkling gourami 72–82°Zebra loach 73–79°
The green band is the temperature range both can live in.
456789Both: 6–7.5Sparkling gourami 6–7.5Zebra loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Sparkling gourami · 1.5 inZebra loach · 3.5 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

Sparkling gouramiZebra loach
Temperature72–82 °F73–79 °F
pH6–7.56–7.5
Adult size1.5 in3.5 in
Minimum tank5 gal30 gal
TemperamentPeacefulPeaceful
Swims atTopBottom
GroupGroups of 4+Groups of 5+
DietOmnivoreOmnivore

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Better tank mates for zebra loaches

All zebra loach tank mates

Questions

Can sparkling gouramis live with zebra loaches?

Yes, sparkling gouramis and zebra loaches can live together. Both are fine at 73–79°F. Plan on at least 30 gal.

What temperature suits both sparkling gouramis and zebra loaches?

73–79 °F. Sparkling gouramis need 72–82 °F, zebra loaches need 73–79 °F.

What size tank do sparkling gouramis and zebra loaches need together?

At least 30 gal, set by the zebra loach. Add space for each extra fish.