Can neon tetras live with clown plecos?

Verdict
Yes

Yes, neon tetras and clown plecos can live together. Both are fine at 73–79°F. Plan on at least 20 gal.

Neon tetraNeon tetra72–79°F · pH 6–7 Clown plecoClown pleco73–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–79°Neon tetra 72–79°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7Neon tetra 6–7Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Neon tetra · 1.5 inClown pleco · 3.5 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

Neon tetraClown pleco
Temperature72–79 °F73–82 °F
pH6–76.5–7.5
Adult size1.5 in3.5 in
Minimum tank10 gal20 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for neon tetras

All neon tetra tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can neon tetras live with clown plecos?

Yes, neon tetras and clown plecos can live together. Both are fine at 73–79°F. Plan on at least 20 gal.

What temperature suits both neon tetras and clown plecos?

73–79 °F. Neon tetras need 72–79 °F, clown plecos need 73–82 °F.

What size tank do neon tetras and clown plecos need together?

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