Can glass catfish live with silver dollars?

Verdict
Yes

Yes, glass catfish and silver dollars can live together. Both are fine at 75–80°F. Plan on at least 75 gal.

Glass catfishGlass catfish75–80°F · pH 6.5–7.5 Silver dollarSilver dollar75–82°F · pH 5–7

Why it works

Water side by side

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

Size to scale

Glass catfish · 3 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

Glass catfishSilver dollar
Temperature75–80 °F75–82 °F
pH6.5–7.55–7
Adult size3.0 in6.0 in
Minimum tank30 gal75 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 5+
DietCarnivoreHerbivore

Better tank mates for glass catfish

All glass catfish tank mates

Better tank mates for silver dollars

All silver dollar tank mates

Questions

Can glass catfish live with silver dollars?

Yes, glass catfish and silver dollars can live together. Both are fine at 75–80°F. Plan on at least 75 gal.

What temperature suits both glass catfish and silver dollars?

75–80 °F. Glass catfish need 75–80 °F, silver dollars need 75–82 °F.

What size tank do glass catfish and silver dollars need together?

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