Can kuhli loaches live with silver dollars?

Verdict
Yes

Yes, kuhli loaches and silver dollars can live together. Both are fine at 75–82°F. Plan on at least 75 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Kuhli loach 75–86°Silver dollar 75–82°
The green band is the temperature range both can live in.
456789Both: 5.5–7Kuhli loach 5.5–7Silver dollar 5–7
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inSilver dollar · 6 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 loachSilver dollar
Temperature75–86 °F75–82 °F
pH5.5–75–7
Adult size3.5 in6.0 in
Minimum tank20 gal75 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 6+Groups of 5+
DietOmnivoreHerbivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for silver dollars

All silver dollar tank mates

Questions

Can kuhli loaches live with silver dollars?

Yes, kuhli loaches and silver dollars can live together. Both are fine at 75–82°F. Plan on at least 75 gal.

What temperature suits both kuhli loaches and silver dollars?

75–82 °F. Kuhli loaches need 75–86 °F, silver dollars need 75–82 °F.

What size tank do kuhli loaches and silver dollars need together?

At least 75 gal, set by the silver dollar. Add space for each extra fish.