Can hillstream loaches live with silver dollars?

Verdict
Yes, with care

Yes, with care. Hillstream loaches and silver dollars can share a tank, but watch one thing. They only share 75°F. Keep the heater set there and steady.

Hillstream loachHillstream loach68–75°F · pH 6.5–7.5 Silver dollarSilver dollar75–82°F · pH 5–7

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75°Hillstream loach 68–75°Silver dollar 75–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7Hillstream loach 6.5–7.5Silver dollar 5–7
The green band is the pH both tolerate.

Size to scale

Hillstream loach · 2.5 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

Hillstream loachSilver dollar
Temperature68–75 °F75–82 °F
pH6.5–7.55–7
Adult size2.5 in6.0 in
Minimum tank20 gal75 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 3+Groups of 5+
DietHerbivoreHerbivore

Better tank mates for hillstream loaches

All hillstream loach tank mates

Better tank mates for silver dollars

All silver dollar tank mates

Questions

Can hillstream loaches live with silver dollars?

Yes, with care. Hillstream loaches and silver dollars can share a tank, but watch one thing. They only share 75°F. Keep the heater set there and steady.

What temperature suits both hillstream loaches and silver dollars?

75–75 °F. Hillstream loaches need 68–75 °F, silver dollars need 75–82 °F.

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

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