Can sparkling gouramis live with clown plecos?

Verdict
Yes

Yes. Sparkling gouramis and clown plecos make a good pair. Both are fine at 73–82°F. Plan on at least 20 gal.

Sparkling gouramiSparkling gourami72–82°F · pH 6–7.5 Clown plecoClown pleco73–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–82°Sparkling gourami 72–82°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Sparkling gourami 6–7.5Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Sparkling gourami · 1.5 inClown pleco · 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 gouramiClown pleco
Temperature72–82 °F73–82 °F
pH6–7.56.5–7.5
Adult size1.5 in3.5 in
Minimum tank5 gal20 gal
TemperamentPeacefulPeaceful
Swims atTopBottom
GroupGroups of 4+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can sparkling gouramis live with clown plecos?

Yes. Sparkling gouramis and clown plecos make a good pair. Both are fine at 73–82°F. Plan on at least 20 gal.

What temperature suits both sparkling gouramis and clown plecos?

73–82 °F. Sparkling gouramis need 72–82 °F, clown plecos need 73–82 °F.

What size tank do sparkling gouramis and clown plecos need together?

At least 20 gal, set by the clown pleco. Add space for each extra fish.