Can yoyo loaches live with silver dollars?

Verdict
Yes

Yes. Yoyo loaches and silver dollars get along in the same tank. Both are fine at 75–82°F. Plan on at least 75 gal.

Yoyo loachYoyo loach75–86°F · pH 6–7.5 Silver dollarSilver dollar75–82°F · pH 5–7

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Yoyo loach 75–86°Silver dollar 75–82°
The green band is the temperature range both can live in.
456789Both: 6–7Yoyo loach 6–7.5Silver dollar 5–7
The green band is the pH both tolerate.

Size to scale

Yoyo loach · 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

Yoyo loachSilver dollar
Temperature75–86 °F75–82 °F
pH6–7.55–7
Adult size5.0 in6.0 in
Minimum tank40 gal75 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupGroups of 5+Groups of 5+
DietOmnivoreHerbivore

Better tank mates for yoyo loaches

All yoyo loach tank mates

Better tank mates for silver dollars

All silver dollar tank mates

Questions

Can yoyo loaches live with silver dollars?

Yes. Yoyo loaches and silver dollars get along in the same tank. Both are fine at 75–82°F. Plan on at least 75 gal.

What temperature suits both yoyo loaches and silver dollars?

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

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

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