Can blue gouramis live with clown plecos?

Verdict
Yes

Yes, blue gouramis and clown plecos can live together. Both are fine at 73–82°F. Plan on at least 30 gal.

Blue gouramiBlue gourami72–82°F · pH 6–8 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°Blue gourami 72–82°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Blue gourami 6–8Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Blue 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

Blue gouramiClown pleco
Temperature72–82 °F73–82 °F
pH6–86.5–7.5
Adult size5.0 in3.5 in
Minimum tank30 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atTopBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreHerbivore

Better tank mates for blue gouramis

All blue gourami tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can blue gouramis live with clown plecos?

Yes, blue gouramis and clown plecos can live together. Both are fine at 73–82°F. Plan on at least 30 gal.

What temperature suits both blue gouramis and clown plecos?

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

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

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