Can sparkling gouramis live with lemon tetras?

Verdict
Yes

Yes, sparkling gouramis and lemon tetras can live together. Both are fine at 72–82°F. Plan on at least 15 gal.

Sparkling gouramiSparkling gourami72–82°F · pH 6–7.5 Lemon tetraLemon tetra72–82°F · pH 5.5–7.5

Why it works

Water side by side

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

Size to scale

Sparkling gourami · 1.5 inLemon tetra · 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

Sparkling gouramiLemon tetra
Temperature72–82 °F72–82 °F
pH6–7.55.5–7.5
Adult size1.5 in2.0 in
Minimum tank5 gal15 gal
TemperamentPeacefulPeaceful
Swims atTopMiddle
GroupGroups of 4+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Better tank mates for lemon tetras

All lemon tetra tank mates

Questions

Can sparkling gouramis live with lemon tetras?

Yes, sparkling gouramis and lemon tetras can live together. Both are fine at 72–82°F. Plan on at least 15 gal.

What temperature suits both sparkling gouramis and lemon tetras?

72–82 °F. Sparkling gouramis need 72–82 °F, lemon tetras need 72–82 °F.

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

At least 15 gal, set by the lemon tetra. Add space for each extra fish.