Can discus live with silver dollars?

Verdict
Yes, with care

Yes, with care. Discus and silver dollars can share a tank, but watch one thing. They only share 82°F. Keep the heater set there and steady.

DiscusDiscus82–88°F · pH 5.5–7 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: 82°Discus 82–88°Silver dollar 75–82°
The green band is the temperature range both can live in.
456789Both: 5.5–7Discus 5.5–7Silver dollar 5–7
The green band is the pH both tolerate.

Size to scale

Discus · 6 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

DiscusSilver dollar
Temperature82–88 °F75–82 °F
pH5.5–75–7
Adult size6.0 in6.0 in
Minimum tank55 gal75 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 5+Groups of 5+
DietCarnivoreHerbivore

Better tank mates for discus

All discus tank mates

Better tank mates for silver dollars

All silver dollar tank mates

Questions

Can discus live with silver dollars?

Yes, with care. Discus and silver dollars can share a tank, but watch one thing. They only share 82°F. Keep the heater set there and steady.

What temperature suits both discus and silver dollars?

82–82 °F. Discus need 82–88 °F, silver dollars need 75–82 °F.

What size tank do discus and silver dollars need together?

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