Can pictus catfish live with pearl gouramis?

Verdict
Yes

Yes. Pictus catfish and pearl gouramis get along in the same tank. Both are fine at 77–79°F. Plan on at least 55 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 77–79°Pictus catfish 72–79°Pearl gourami 77–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Pictus catfish 6–7.5Pearl gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Pictus catfish · 5 inPearl gourami · 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

Pictus catfishPearl gourami
Temperature72–79 °F77–82 °F
pH6–7.56–7.5
Adult size5.0 in5.0 in
Minimum tank55 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomTop
GroupGroups of 3+Alone or in pairs
DietCarnivoreOmnivore

Better tank mates for pictus catfish

All pictus catfish tank mates

Better tank mates for pearl gouramis

All pearl gourami tank mates

Questions

Can pictus catfish live with pearl gouramis?

Yes. Pictus catfish and pearl gouramis get along in the same tank. Both are fine at 77–79°F. Plan on at least 55 gal.

What temperature suits both pictus catfish and pearl gouramis?

77–79 °F. Pictus catfish need 72–79 °F, pearl gouramis need 77–82 °F.

What size tank do pictus catfish and pearl gouramis need together?

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