Can rosy barbs live with dwarf gouramis?

Verdict
Yes, with care

Yes, with care. Rosy barbs and dwarf gouramis can share a tank, but watch one thing. Rosy barbs nip at slow fish. Dwarf gouramis cannot get away.

Rosy barbRosy barb64–77°F · pH 6–7.5 Dwarf gouramiDwarf gourami72–82°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–77°Rosy barb 64–77°Dwarf gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Rosy barb 6–7.5Dwarf gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Rosy barb · 4 inDwarf gourami · 3 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

Rosy barbDwarf gourami
Temperature64–77 °F72–82 °F
pH6–7.56–7.5
Adult size4.0 in3.0 in
Minimum tank30 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleTop
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for rosy barbs

All rosy barb tank mates

Better tank mates for dwarf gouramis

All dwarf gourami tank mates

Questions

Can rosy barbs live with dwarf gouramis?

Yes, with care. Rosy barbs and dwarf gouramis can share a tank, but watch one thing. Rosy barbs nip at slow fish. Dwarf gouramis cannot get away.

What temperature suits both rosy barbs and dwarf gouramis?

72–77 °F. Rosy barbs need 64–77 °F, dwarf gouramis need 72–82 °F.

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

At least 30 gal, set by the rosy barb. Add space for each extra fish.