Can black skirt tetras live with clown plecos?

Verdict
Yes

Yes. Black skirt tetras and clown plecos get along in the same tank. Both are fine at 73–80°F. Plan on at least 20 gal.

Black skirt tetraBlack skirt tetra70–80°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: 73–80°Black skirt tetra 70–80°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Black skirt tetra 6–7.5Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Black skirt tetra · 2.5 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

Black skirt tetraClown pleco
Temperature70–80 °F73–82 °F
pH6–7.56.5–7.5
Adult size2.5 in3.5 in
Minimum tank15 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for black skirt tetras

All black skirt tetra tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can black skirt tetras live with clown plecos?

Yes. Black skirt tetras and clown plecos get along in the same tank. Both are fine at 73–80°F. Plan on at least 20 gal.

What temperature suits both black skirt tetras and clown plecos?

73–80 °F. Black skirt tetras need 70–80 °F, clown plecos need 73–82 °F.

What size tank do black skirt tetras and clown plecos need together?

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