Can nerite snails live with congo tetras?

Verdict
Yes

Yes. Nerite snails and congo tetras get along in the same tank. Both are fine at 73–78°F. Plan on at least 30 gal.

Nerite snailNerite snail72–78°F · pH 7–8.5 Congo tetraCongo tetra73–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–78°Nerite snail 72–78°Congo tetra 73–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Nerite snail 7–8.5Congo tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Nerite snail · 1 inCongo tetra · 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

Nerite snailCongo tetra
Temperature72–78 °F73–82 °F
pH7–8.56–7.5
Adult size1.0 in3.0 in
Minimum tank5 gal30 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 congo tetras

All congo tetra tank mates

Questions

Can nerite snails live with congo tetras?

Yes. Nerite snails and congo tetras get along in the same tank. Both are fine at 73–78°F. Plan on at least 30 gal.

What temperature suits both nerite snails and congo tetras?

73–78 °F. Nerite snails need 72–78 °F, congo tetras need 73–82 °F.

What size tank do nerite snails and congo tetras need together?

At least 30 gal, set by the congo tetra. Add space for each extra fish.