Can pictus catfish live with congo tetras?

Verdict
Yes

Yes, pictus catfish and congo tetras can live together. Both are fine at 73–79°F. Plan on at least 55 gal.

Pictus catfishPictus catfish72–79°F · pH 6–7.5 Congo tetraCongo tetra73–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–79°Pictus catfish 72–79°Congo tetra 73–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Pictus catfish 6–7.5Congo tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Pictus catfish · 5 inCongo tetra · 3 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

Pictus catfishCongo tetra
Temperature72–79 °F73–82 °F
pH6–7.56–7.5
Adult size5.0 in3.0 in
Minimum tank55 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupGroups of 3+Groups of 6+
DietCarnivoreOmnivore

Better tank mates for pictus catfish

All pictus catfish tank mates

Better tank mates for congo tetras

All congo tetra tank mates

Questions

Can pictus catfish live with congo tetras?

Yes, pictus catfish and congo tetras can live together. Both are fine at 73–79°F. Plan on at least 55 gal.

What temperature suits both pictus catfish and congo tetras?

73–79 °F. Pictus catfish need 72–79 °F, congo tetras need 73–82 °F.

What size tank do pictus catfish and congo tetras need together?

At least 55 gal, set by the pictus catfish. Add space for each extra fish.