Can silver dollars live with odessa barbs?

Verdict
Yes

Yes. Silver dollars and odessa barbs make a good pair. Both are fine at 75–79°F. Plan on at least 75 gal.

Silver dollarSilver dollar75–82°F · pH 5–7 Odessa barbOdessa barb70–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Silver dollar 75–82°Odessa barb 70–79°
The green band is the temperature range both can live in.
456789Both: 6–7Silver dollar 5–7Odessa barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Silver dollar · 6 inOdessa barb · 3 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

Silver dollarOdessa barb
Temperature75–82 °F70–79 °F
pH5–76–7.5
Adult size6.0 in3.0 in
Minimum tank75 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 5+Groups of 6+
DietHerbivoreOmnivore

Better tank mates for silver dollars

All silver dollar tank mates

Better tank mates for odessa barbs

All odessa barb tank mates

Questions

Can silver dollars live with odessa barbs?

Yes. Silver dollars and odessa barbs make a good pair. Both are fine at 75–79°F. Plan on at least 75 gal.

What temperature suits both silver dollars and odessa barbs?

75–79 °F. Silver dollars need 75–82 °F, odessa barbs need 70–79 °F.

What size tank do silver dollars and odessa barbs need together?

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