Can congo tetras live with clown plecos?

Verdict
Yes

Yes, congo tetras and clown plecos can live together. Both are fine at 73–82°F. Plan on at least 30 gal.

Congo tetraCongo tetra73–82°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: 73–82°Congo tetra 73–82°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Congo tetra 6–7.5Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Congo tetra · 3 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

Congo tetraClown pleco
Temperature73–82 °F73–82 °F
pH6–7.56.5–7.5
Adult size3.0 in3.5 in
Minimum tank30 gal20 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for congo tetras

All congo tetra tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can congo tetras live with clown plecos?

Yes, congo tetras and clown plecos can live together. Both are fine at 73–82°F. Plan on at least 30 gal.

What temperature suits both congo tetras and clown plecos?

73–82 °F. Congo tetras need 73–82 °F, clown plecos need 73–82 °F.

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

At least 30 gal, set by the congo tetra. Add space for each extra fish.