Can blue gouramis live with chinese algae eaters?

Verdict
Yes

Yes, blue gouramis and chinese algae eaters can live together. Both are fine at 74–80°F. Plan on at least 75 gal.

Blue gouramiBlue gourami72–82°F · pH 6–8 Chinese algae eaterChinese algae eater74–80°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–80°Blue gourami 72–82°Chinese algae eater 74–80°
The green band is the temperature range both can live in.
456789Both: 6–8Blue gourami 6–8Chinese algae eater 6–8
The green band is the pH both tolerate.

Size to scale

Blue gourami · 5 inChinese algae eater · 10 in0"2"4"6"8"10"
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 gouramiChinese algae eater
Temperature72–82 °F74–80 °F
pH6–86–8
Adult size5.0 in10.0 in
Minimum tank30 gal75 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atTopBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreHerbivore

Better tank mates for blue gouramis

All blue gourami tank mates

Better tank mates for chinese algae eaters

All chinese algae eater tank mates

Questions

Can blue gouramis live with chinese algae eaters?

Yes, blue gouramis and chinese algae eaters can live together. Both are fine at 74–80°F. Plan on at least 75 gal.

What temperature suits both blue gouramis and chinese algae eaters?

74–80 °F. Blue gouramis need 72–82 °F, chinese algae eaters need 74–80 °F.

What size tank do blue gouramis and chinese algae eaters need together?

At least 75 gal, set by the chinese algae eater. Add space for each extra fish.