Can corydoras live with chinese algae eaters?

Verdict
Yes

Yes. Corydoras and chinese algae eaters get along in the same tank. Both are fine at 74–79°F. Plan on at least 75 gal.

CorydorasCorydoras72–79°F · pH 6–7.8 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: 74–79°Corydoras 72–79°Chinese algae eater 74–80°
The green band is the temperature range both can live in.
456789Both: 6–7.8Corydoras 6–7.8Chinese algae eater 6–8
The green band is the pH both tolerate.

Size to scale

Corydoras · 2.5 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

CorydorasChinese algae eater
Temperature72–79 °F74–80 °F
pH6–7.86–8
Adult size2.5 in10.0 in
Minimum tank20 gal75 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for corydoras

All corydoras tank mates

Better tank mates for chinese algae eaters

All chinese algae eater tank mates

Questions

Can corydoras live with chinese algae eaters?

Yes. Corydoras and chinese algae eaters get along in the same tank. Both are fine at 74–79°F. Plan on at least 75 gal.

What temperature suits both corydoras and chinese algae eaters?

74–79 °F. Corydoras need 72–79 °F, chinese algae eaters need 74–80 °F.

What size tank do corydoras and chinese algae eaters need together?

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