Can boesemani rainbowfish live with dwarf gouramis?

Verdict
Yes

Yes. Boesemani rainbowfish and dwarf gouramis make a good pair. Both are fine at 75–82°F. Plan on at least 30 gal.

Boesemani rainbowfishBoesemani rainbowfish75–82°F · pH 7–8 Dwarf gouramiDwarf gourami72–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Boesemani rainbowfish 75–82°Dwarf gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Boesemani rainbowfish 7–8Dwarf gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Boesemani rainbowfish · 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

Boesemani rainbowfishDwarf gourami
Temperature75–82 °F72–82 °F
pH7–86–7.5
Adult size4.0 in3.0 in
Minimum tank30 gal10 gal
TemperamentPeacefulPeaceful
Swims atMiddleTop
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for boesemani rainbowfish

All boesemani rainbowfish tank mates

Better tank mates for dwarf gouramis

All dwarf gourami tank mates

Questions

Can boesemani rainbowfish live with dwarf gouramis?

Yes. Boesemani rainbowfish and dwarf gouramis make a good pair. Both are fine at 75–82°F. Plan on at least 30 gal.

What temperature suits both boesemani rainbowfish and dwarf gouramis?

75–82 °F. Boesemani rainbowfish need 75–82 °F, dwarf gouramis need 72–82 °F.

What size tank do boesemani rainbowfish and dwarf gouramis need together?

At least 30 gal, set by the boesemani rainbowfish. Add space for each extra fish.