Can nerite snails live with otocinclus?

Verdict
Yes

Yes. Nerite snails and otocinclus get along in the same tank. Both are fine at 72–78°F. Plan on at least 20 gal.

Nerite snailNerite snail72–78°F · pH 7–8.5 OtocinclusOtocinclus72–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–78°Nerite snail 72–78°Otocinclus 72–79°
The green band is the temperature range both can live in.
456789Both: 7–7.5Nerite snail 7–8.5Otocinclus 6–7.5
The green band is the pH both tolerate.

Size to scale

Nerite snail · 1 inOtocinclus · 2 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 snailOtocinclus
Temperature72–78 °F72–79 °F
pH7–8.56–7.5
Adult size1.0 in2.0 in
Minimum tank5 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupAlone or in pairsGroups of 6+
DietHerbivoreHerbivore

Better tank mates for nerite snails

All nerite snail tank mates

Better tank mates for otocinclus

All otocinclus tank mates

Questions

Can nerite snails live with otocinclus?

Yes. Nerite snails and otocinclus get along in the same tank. Both are fine at 72–78°F. Plan on at least 20 gal.

What temperature suits both nerite snails and otocinclus?

72–78 °F. Nerite snails need 72–78 °F, otocinclus need 72–79 °F.

What size tank do nerite snails and otocinclus need together?

At least 20 gal, set by the otocinclus. Add space for each extra fish.