Can blue gouramis live with odessa barbs?

Verdict
Yes

Yes. Blue gouramis and odessa barbs make a good pair. Both are fine at 72–79°F. Plan on at least 30 gal.

Blue gouramiBlue gourami72–82°F · pH 6–8 Odessa barbOdessa barb70–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Blue gourami 72–82°Odessa barb 70–79°
The green band is the temperature range both can live in.
456789Both: 6–7.5Blue gourami 6–8Odessa barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Blue gourami · 5 inOdessa barb · 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

Blue gouramiOdessa barb
Temperature72–82 °F70–79 °F
pH6–86–7.5
Adult size5.0 in3.0 in
Minimum tank30 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atTopMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for blue gouramis

All blue gourami tank mates

Better tank mates for odessa barbs

All odessa barb tank mates

Questions

Can blue gouramis live with odessa barbs?

Yes. Blue gouramis and odessa barbs make a good pair. Both are fine at 72–79°F. Plan on at least 30 gal.

What temperature suits both blue gouramis and odessa barbs?

72–79 °F. Blue gouramis need 72–82 °F, odessa barbs need 70–79 °F.

What size tank do blue gouramis and odessa barbs need together?

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