Can nerite snails live with rosy barbs?

Verdict
Yes

Yes. Nerite snails and rosy barbs make a good pair. Both are fine at 72–77°F. Plan on at least 30 gal.

Nerite snailNerite snail72–78°F · pH 7–8.5 Rosy barbRosy barb64–77°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–77°Nerite snail 72–78°Rosy barb 64–77°
The green band is the temperature range both can live in.
456789Both: 7–7.5Nerite snail 7–8.5Rosy barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Nerite snail · 1 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

Nerite snailRosy barb
Temperature72–78 °F64–77 °F
pH7–8.56–7.5
Adult size1.0 in4.0 in
Minimum tank5 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietHerbivoreOmnivore

Better tank mates for nerite snails

All nerite snail tank mates

Better tank mates for rosy barbs

All rosy barb tank mates

Questions

Can nerite snails live with rosy barbs?

Yes. Nerite snails and rosy barbs make a good pair. Both are fine at 72–77°F. Plan on at least 30 gal.

What temperature suits both nerite snails and rosy barbs?

72–77 °F. Nerite snails need 72–78 °F, rosy barbs need 64–77 °F.

What size tank do nerite snails and rosy barbs need together?

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