Can ramshorn snails live with dwarf neon rainbowfish?

Verdict
Yes

Yes. Ramshorn snails and dwarf neon rainbowfish make a good pair. Both are fine at 75–80°F. Plan on at least 20 gal.

Ramshorn snailRamshorn snail70–80°F · pH 7–8 Dwarf neon rainbowfishDwarf neon rainbowfish75–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Ramshorn snail 70–80°Dwarf neon rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Ramshorn snail 7–8Dwarf neon rainbowfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Ramshorn snail · 1 inDwarf neon rainbowfish · 2.5 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

Ramshorn snailDwarf neon rainbowfish
Temperature70–80 °F75–82 °F
pH7–86.5–7.5
Adult size1.0 in2.5 in
Minimum tank5 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for ramshorn snails

All ramshorn snail tank mates

Better tank mates for dwarf neon rainbowfish

All dwarf neon rainbowfish tank mates

Questions

Can ramshorn snails live with dwarf neon rainbowfish?

Yes. Ramshorn snails and dwarf neon rainbowfish make a good pair. Both are fine at 75–80°F. Plan on at least 20 gal.

What temperature suits both ramshorn snails and dwarf neon rainbowfish?

75–80 °F. Ramshorn snails need 70–80 °F, dwarf neon rainbowfish need 75–82 °F.

What size tank do ramshorn snails and dwarf neon rainbowfish need together?

At least 20 gal, set by the dwarf neon rainbowfish. Add space for each extra fish.