Can bristlenose plecos live with sparkling gouramis?

Verdict
Yes

Yes. Bristlenose plecos and sparkling gouramis get along in the same tank. Both are fine at 73–81°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–81°Bristlenose pleco 73–81°Sparkling gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Bristlenose pleco 6.5–7.5Sparkling gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Bristlenose pleco · 5 inSparkling gourami · 1.5 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

Bristlenose plecoSparkling gourami
Temperature73–81 °F72–82 °F
pH6.5–7.56–7.5
Adult size5.0 in1.5 in
Minimum tank30 gal5 gal
TemperamentPeacefulPeaceful
Swims atBottomTop
GroupAlone or in pairsGroups of 4+
DietHerbivoreOmnivore

Better tank mates for bristlenose plecos

All bristlenose pleco tank mates

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Questions

Can bristlenose plecos live with sparkling gouramis?

Yes. Bristlenose plecos and sparkling gouramis get along in the same tank. Both are fine at 73–81°F. Plan on at least 30 gal.

What temperature suits both bristlenose plecos and sparkling gouramis?

73–81 °F. Bristlenose plecos need 73–81 °F, sparkling gouramis need 72–82 °F.

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

At least 30 gal, set by the bristlenose pleco. Add space for each extra fish.