Can pearl gouramis live with rosy barbs?

Verdict
Yes, with care

Yes, with care. Pearl gouramis and rosy barbs can share a tank, but watch one thing. They only share 77°F. Keep the heater set there and steady.

Pearl gouramiPearl gourami77–82°F · pH 6–7.5 Rosy barbRosy barb64–77°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 77°Pearl gourami 77–82°Rosy barb 64–77°
The green band is the temperature range both can live in.
456789Both: 6–7.5Pearl gourami 6–7.5Rosy barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Pearl gourami · 5 inRosy barb · 4 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 gouramiRosy barb
Temperature77–82 °F64–77 °F
pH6–7.56–7.5
Adult size5.0 in4.0 in
Minimum tank30 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atTopMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for pearl gouramis

All pearl gourami tank mates

Better tank mates for rosy barbs

All rosy barb tank mates

Questions

Can pearl gouramis live with rosy barbs?

Yes, with care. Pearl gouramis and rosy barbs can share a tank, but watch one thing. They only share 77°F. Keep the heater set there and steady.

What temperature suits both pearl gouramis and rosy barbs?

77–77 °F. Pearl gouramis need 77–82 °F, rosy barbs need 64–77 °F.

What size tank do pearl gouramis and rosy barbs need together?

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