Can nerite snails live with black neon tetras?

Verdict
Yes

Yes. Nerite snails and black neon tetras get along in the same tank. Both are fine at 73–78°F. Plan on at least 15 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–78°Nerite snail 72–78°Black neon tetra 73–81°
The green band is the temperature range both can live in.
456789Both: 7–7.5Nerite snail 7–8.5Black neon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Nerite snail · 1 inBlack neon tetra · 1.5 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

Nerite snailBlack neon tetra
Temperature72–78 °F73–81 °F
pH7–8.55.5–7.5
Adult size1.0 in1.5 in
Minimum tank5 gal15 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietHerbivoreOmnivore

Better tank mates for nerite snails

All nerite snail tank mates

Better tank mates for black neon tetras

All black neon tetra tank mates

Questions

Can nerite snails live with black neon tetras?

Yes. Nerite snails and black neon tetras get along in the same tank. Both are fine at 73–78°F. Plan on at least 15 gal.

What temperature suits both nerite snails and black neon tetras?

73–78 °F. Nerite snails need 72–78 °F, black neon tetras need 73–81 °F.

What size tank do nerite snails and black neon tetras need together?

At least 15 gal, set by the black neon tetra. Add space for each extra fish.