Can pearl gouramis live with clown plecos?

Verdict
Yes

Yes. Pearl gouramis and clown plecos make a good pair. Both are fine at 77–82°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 77–82°Pearl gourami 77–82°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Pearl gourami 6–7.5Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Pearl gourami · 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

Pearl gouramiClown pleco
Temperature77–82 °F73–82 °F
pH6–7.56.5–7.5
Adult size5.0 in3.5 in
Minimum tank30 gal20 gal
TemperamentPeacefulPeaceful
Swims atTopBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreHerbivore

Better tank mates for pearl gouramis

All pearl gourami tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can pearl gouramis live with clown plecos?

Yes. Pearl gouramis and clown plecos make a good pair. Both are fine at 77–82°F. Plan on at least 30 gal.

What temperature suits both pearl gouramis and clown plecos?

77–82 °F. Pearl gouramis need 77–82 °F, clown plecos need 73–82 °F.

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

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