Can ghost shrimp live with rosy barbs?

Verdict
No

No. Ghost shrimp and rosy barbs should not share a tank. A rosy barb is big enough to swallow adult ghost shrimp.

Ghost shrimpGhost shrimp65–82°F · pH 7–8 Rosy barbRosy barb64–77°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 65–77°Ghost shrimp 65–82°Rosy barb 64–77°
The green band is the temperature range both can live in.
456789Both: 7–7.5Ghost shrimp 7–8Rosy barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Ghost shrimp · 1.5 inRosy barb · 4 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

Ghost shrimpRosy barb
Temperature65–82 °F64–77 °F
pH7–86–7.5
Adult size1.5 in4.0 in
Minimum tank5 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupGroups of 3+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for ghost shrimp

All ghost shrimp tank mates

Better tank mates for rosy barbs

All rosy barb tank mates

Questions

Can ghost shrimp live with rosy barbs?

No. Ghost shrimp and rosy barbs should not share a tank. A rosy barb is big enough to swallow adult ghost shrimp.

What temperature suits both ghost shrimp and rosy barbs?

65–77 °F. Ghost shrimp need 65–82 °F, rosy barbs need 64–77 °F.

What size tank do ghost shrimp and rosy barbs need together?

At least 30 gal, set by the rosy barb. Add space for each extra fish.