Can kuhli loaches live with pygmy corys?

Verdict
Yes

Yes. Kuhli loaches and pygmy corys make a good pair. Both are fine at 75–79°F. Plan on at least 20 gal.

Kuhli loachKuhli loach75–86°F · pH 5.5–7 Pygmy coryPygmy cory72–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Kuhli loach 75–86°Pygmy cory 72–79°
The green band is the temperature range both can live in.
456789Both: 6–7Kuhli loach 5.5–7Pygmy cory 6–7.5
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inPygmy cory · 1 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 loachPygmy cory
Temperature75–86 °F72–79 °F
pH5.5–76–7.5
Adult size3.5 in1.0 in
Minimum tank20 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for pygmy corys

All pygmy cory tank mates

Questions

Can kuhli loaches live with pygmy corys?

Yes. Kuhli loaches and pygmy corys make a good pair. Both are fine at 75–79°F. Plan on at least 20 gal.

What temperature suits both kuhli loaches and pygmy corys?

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

What size tank do kuhli loaches and pygmy corys need together?

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