Can glowlight tetras live with clown plecos?

Verdict
Yes

Yes. Glowlight tetras and clown plecos make a good pair. Both are fine at 74–80°F. Plan on at least 20 gal.

Glowlight tetraGlowlight tetra74–80°F · pH 6–7.5 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: 74–80°Glowlight tetra 74–80°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Glowlight tetra 6–7.5Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Glowlight 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

Glowlight tetraClown pleco
Temperature74–80 °F73–82 °F
pH6–7.56.5–7.5
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 glowlight tetras

All glowlight tetra tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can glowlight tetras live with clown plecos?

Yes. Glowlight tetras and clown plecos make a good pair. Both are fine at 74–80°F. Plan on at least 20 gal.

What temperature suits both glowlight tetras and clown plecos?

74–80 °F. Glowlight tetras need 74–80 °F, clown plecos need 73–82 °F.

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

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