Can pearl gouramis live with lemon tetras?

Verdict
Yes

Yes, pearl gouramis and lemon tetras can live together. Both are fine at 77–82°F. Plan on at least 30 gal.

Pearl gouramiPearl gourami77–82°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: 77–82°Pearl gourami 77–82°Lemon tetra 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Pearl gourami 6–7.5Lemon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Pearl gourami · 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

Pearl gouramiLemon tetra
Temperature77–82 °F72–82 °F
pH6–7.55.5–7.5
Adult size5.0 in2.0 in
Minimum tank30 gal15 gal
TemperamentPeacefulPeaceful
Swims atTopMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for pearl gouramis

All pearl gourami tank mates

Better tank mates for lemon tetras

All lemon tetra tank mates

Questions

Can pearl gouramis live with lemon tetras?

Yes, pearl gouramis and lemon tetras can live together. Both are fine at 77–82°F. Plan on at least 30 gal.

What temperature suits both pearl gouramis and lemon tetras?

77–82 °F. Pearl gouramis need 77–82 °F, lemon tetras need 72–82 °F.

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

At least 30 gal, set by the pearl gourami. Add space for each extra fish.