Can ember tetras live with clown plecos?

Verdict
Yes

Yes, ember tetras and clown plecos can live together. Both are fine at 73–82°F. Plan on at least 20 gal.

Ember tetraEmber tetra73–84°F · pH 5.5–7 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: 73–82°Ember tetra 73–84°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7Ember tetra 5.5–7Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Ember tetra · 0.8 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

Ember tetraClown pleco
Temperature73–84 °F73–82 °F
pH5.5–76.5–7.5
Adult size0.8 in3.5 in
Minimum tank5 gal20 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for ember tetras

All ember tetra tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can ember tetras live with clown plecos?

Yes, ember tetras and clown plecos can live together. Both are fine at 73–82°F. Plan on at least 20 gal.

What temperature suits both ember tetras and clown plecos?

73–82 °F. Ember tetras need 73–84 °F, clown plecos need 73–82 °F.

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

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