Can neon tetras live with sparkling gouramis?

Verdict
Yes

Yes. Neon tetras and sparkling gouramis get along in the same tank. Both are fine at 72–79°F. Plan on at least 10 gal.

Neon tetraNeon tetra72–79°F · pH 6–7 Sparkling gouramiSparkling gourami72–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Neon tetra 72–79°Sparkling gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7Neon tetra 6–7Sparkling gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Neon tetra · 1.5 inSparkling gourami · 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

Neon tetraSparkling gourami
Temperature72–79 °F72–82 °F
pH6–76–7.5
Adult size1.5 in1.5 in
Minimum tank10 gal5 gal
TemperamentPeacefulPeaceful
Swims atMiddleTop
GroupGroups of 6+Groups of 4+
DietOmnivoreOmnivore

Better tank mates for neon tetras

All neon tetra tank mates

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Questions

Can neon tetras live with sparkling gouramis?

Yes. Neon tetras and sparkling gouramis get along in the same tank. Both are fine at 72–79°F. Plan on at least 10 gal.

What temperature suits both neon tetras and sparkling gouramis?

72–79 °F. Neon tetras need 72–79 °F, sparkling gouramis need 72–82 °F.

What size tank do neon tetras and sparkling gouramis need together?

At least 10 gal, set by the neon tetra. Add space for each extra fish.