Can tiger barbs live with chinese algae eaters?

Verdict
Yes

Yes. Tiger barbs and chinese algae eaters get along in the same tank. Both are fine at 74–80°F. Plan on at least 75 gal.

Tiger barbTiger barb72–81°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°Tiger barb 72–81°Chinese algae eater 74–80°
The green band is the temperature range both can live in.
456789Both: 6–7.5Tiger barb 6–7.5Chinese algae eater 6–8
The green band is the pH both tolerate.

Size to scale

Tiger barb · 3 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

Tiger barbChinese algae eater
Temperature72–81 °F74–80 °F
pH6–7.56–8
Adult size3.0 in10.0 in
Minimum tank30 gal75 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for tiger barbs

All tiger barb tank mates

Better tank mates for chinese algae eaters

All chinese algae eater tank mates

Questions

Can tiger barbs live with chinese algae eaters?

Yes. Tiger barbs and chinese algae eaters get along in the same tank. Both are fine at 74–80°F. Plan on at least 75 gal.

What temperature suits both tiger barbs and chinese algae eaters?

74–80 °F. Tiger barbs need 72–81 °F, chinese algae eaters need 74–80 °F.

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

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