Can congo tetras live with zebra plecos?

Verdict
Yes

Yes. Congo tetras and zebra plecos get along in the same tank. Both are fine at 79–82°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 79–82°Congo tetra 73–82°Zebra pleco 79–88°
The green band is the temperature range both can live in.
456789Both: 6–7.5Congo tetra 6–7.5Zebra pleco 6–7.5
The green band is the pH both tolerate.

Size to scale

Congo tetra · 3 inZebra 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 tetraZebra pleco
Temperature73–82 °F79–88 °F
pH6–7.56–7.5
Adult size3.0 in3.5 in
Minimum tank30 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreCarnivore

Better tank mates for congo tetras

All congo tetra tank mates

Better tank mates for zebra plecos

All zebra pleco tank mates

Questions

Can congo tetras live with zebra plecos?

Yes. Congo tetras and zebra plecos get along in the same tank. Both are fine at 79–82°F. Plan on at least 30 gal.

What temperature suits both congo tetras and zebra plecos?

79–82 °F. Congo tetras need 73–82 °F, zebra plecos need 79–88 °F.

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

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