Can zebra danios live with blue gouramis?

Verdict
Yes

Yes. Zebra danios and blue gouramis get along in the same tank. Both are fine at 72–77°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–77°Zebra danio 65–77°Blue gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–8Zebra danio 6.5–8Blue gourami 6–8
The green band is the pH both tolerate.

Size to scale

Zebra danio · 2 inBlue gourami · 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

Zebra danioBlue gourami
Temperature65–77 °F72–82 °F
pH6.5–86–8
Adult size2.0 in5.0 in
Minimum tank10 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atTopTop
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for zebra danios

All zebra danio tank mates

Better tank mates for blue gouramis

All blue gourami tank mates

Questions

Can zebra danios live with blue gouramis?

Yes. Zebra danios and blue gouramis get along in the same tank. Both are fine at 72–77°F. Plan on at least 30 gal.

What temperature suits both zebra danios and blue gouramis?

72–77 °F. Zebra danios need 65–77 °F, blue gouramis need 72–82 °F.

What size tank do zebra danios and blue gouramis need together?

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