Can paradise fish live with silver dollars?

Verdict
Yes

Yes, paradise fish and silver dollars can live together. Both are fine at 75–79°F. Plan on at least 75 gal.

Paradise fishParadise fish61–79°F · pH 6–8 Silver dollarSilver dollar75–82°F · pH 5–7

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Paradise fish 61–79°Silver dollar 75–82°
The green band is the temperature range both can live in.
456789Both: 6–7Paradise fish 6–8Silver dollar 5–7
The green band is the pH both tolerate.

Size to scale

Paradise fish · 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

Paradise fishSilver dollar
Temperature61–79 °F75–82 °F
pH6–85–7
Adult size3.5 in6.0 in
Minimum tank20 gal75 gal
TemperamentSemi-aggressivePeaceful
Swims atTopMiddle
GroupOne per tankGroups of 5+
DietOmnivoreHerbivore

Better tank mates for paradise fish

All paradise fish tank mates

Better tank mates for silver dollars

All silver dollar tank mates

Questions

Can paradise fish live with silver dollars?

Yes, paradise fish and silver dollars can live together. Both are fine at 75–79°F. Plan on at least 75 gal.

What temperature suits both paradise fish and silver dollars?

75–79 °F. Paradise fish need 61–79 °F, silver dollars need 75–82 °F.

What size tank do paradise fish and silver dollars need together?

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