Can cherry barbs live with chinese algae eaters?

Verdict
Yes

Yes. Cherry barbs and chinese algae eaters make a good pair. Both are fine at 74–80°F. Plan on at least 75 gal.

Cherry barbCherry barb73–81°F · pH 6–7.5 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°Cherry barb 73–81°Chinese algae eater 74–80°
The green band is the temperature range both can live in.
456789Both: 6–7.5Cherry barb 6–7.5Chinese algae eater 6–8
The green band is the pH both tolerate.

Size to scale

Cherry barb · 2 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

Cherry barbChinese algae eater
Temperature73–81 °F74–80 °F
pH6–7.56–8
Adult size2.0 in10.0 in
Minimum tank20 gal75 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for cherry barbs

All cherry barb tank mates

Better tank mates for chinese algae eaters

All chinese algae eater tank mates

Questions

Can cherry barbs live with chinese algae eaters?

Yes. Cherry barbs and chinese algae eaters make a good pair. Both are fine at 74–80°F. Plan on at least 75 gal.

What temperature suits both cherry barbs and chinese algae eaters?

74–80 °F. Cherry barbs need 73–81 °F, chinese algae eaters need 74–80 °F.

What size tank do cherry barbs and chinese algae eaters need together?

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