Can kuhli loaches live with clown loaches?

Verdict
Yes

Yes. Kuhli loaches and clown loaches get along in the same tank. Both are fine at 77–86°F. Plan on at least 75 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 77–86°Kuhli loach 75–86°Clown loach 77–86°
The green band is the temperature range both can live in.
456789Both: 6–7Kuhli loach 5.5–7Clown loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inClown loach · 8 in0"1"2"3"4"5"6"7"8"
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 loachClown loach
Temperature75–86 °F77–86 °F
pH5.5–76–7.5
Adult size3.5 in8.0 in
Minimum tank20 gal75 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupGroups of 6+Groups of 5+
DietOmnivoreOmnivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for clown loaches

All clown loach tank mates

Questions

Can kuhli loaches live with clown loaches?

Yes. Kuhli loaches and clown loaches get along in the same tank. Both are fine at 77–86°F. Plan on at least 75 gal.

What temperature suits both kuhli loaches and clown loaches?

77–86 °F. Kuhli loaches need 75–86 °F, clown loaches need 77–86 °F.

What size tank do kuhli loaches and clown loaches need together?

At least 75 gal, set by the clown loach. Add space for each extra fish.