Can yoyo loaches live with blue gouramis?

Verdict
Yes

Yes. Yoyo loaches and blue gouramis make a good pair. Both are fine at 75–82°F. Plan on at least 40 gal.

Yoyo loachYoyo loach75–86°F · pH 6–7.5 Blue gouramiBlue gourami72–82°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Yoyo loach 75–86°Blue gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Yoyo loach 6–7.5Blue gourami 6–8
The green band is the pH both tolerate.

Size to scale

Yoyo loach · 5 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

Yoyo loachBlue gourami
Temperature75–86 °F72–82 °F
pH6–7.56–8
Adult size5.0 in5.0 in
Minimum tank40 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomTop
GroupGroups of 5+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for yoyo loaches

All yoyo loach tank mates

Better tank mates for blue gouramis

All blue gourami tank mates

Questions

Can yoyo loaches live with blue gouramis?

Yes. Yoyo loaches and blue gouramis make a good pair. Both are fine at 75–82°F. Plan on at least 40 gal.

What temperature suits both yoyo loaches and blue gouramis?

75–82 °F. Yoyo loaches need 75–86 °F, blue gouramis need 72–82 °F.

What size tank do yoyo loaches and blue gouramis need together?

At least 40 gal, set by the yoyo loach. Add space for each extra fish.