Can kuhli loaches live with corydoras?

Verdict
Yes

Yes. Kuhli loaches and corydoras get along in the same tank. Both are fine at 75–79°F. Plan on at least 20 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Kuhli loach 75–86°Corydoras 72–79°
The green band is the temperature range both can live in.
456789Both: 6–7Kuhli loach 5.5–7Corydoras 6–7.8
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inCorydoras · 2.5 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

Kuhli loachCorydoras
Temperature75–86 °F72–79 °F
pH5.5–76–7.8
Adult size3.5 in2.5 in
Minimum tank20 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for corydoras

All corydoras tank mates

Questions

Can kuhli loaches live with corydoras?

Yes. Kuhli loaches and corydoras get along in the same tank. Both are fine at 75–79°F. Plan on at least 20 gal.

What temperature suits both kuhli loaches and corydoras?

75–79 °F. Kuhli loaches need 75–86 °F, corydoras need 72–79 °F.

What size tank do kuhli loaches and corydoras need together?

At least 20 gal, set by the kuhli loach. Add space for each extra fish.