Can pictus catfish live with paradise fish?

Verdict
Yes

Yes. Pictus catfish and paradise fish make a good pair. Both are fine at 72–79°F. Plan on at least 55 gal.

Pictus catfishPictus catfish72–79°F · pH 6–7.5 Paradise fishParadise fish61–79°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Pictus catfish 72–79°Paradise fish 61–79°
The green band is the temperature range both can live in.
456789Both: 6–7.5Pictus catfish 6–7.5Paradise fish 6–8
The green band is the pH both tolerate.

Size to scale

Pictus catfish · 5 inParadise fish · 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

Pictus catfishParadise fish
Temperature72–79 °F61–79 °F
pH6–7.56–8
Adult size5.0 in3.5 in
Minimum tank55 gal20 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomTop
GroupGroups of 3+One per tank
DietCarnivoreOmnivore

Better tank mates for pictus catfish

All pictus catfish tank mates

Better tank mates for paradise fish

All paradise fish tank mates

Questions

Can pictus catfish live with paradise fish?

Yes. Pictus catfish and paradise fish make a good pair. Both are fine at 72–79°F. Plan on at least 55 gal.

What temperature suits both pictus catfish and paradise fish?

72–79 °F. Pictus catfish need 72–79 °F, paradise fish need 61–79 °F.

What size tank do pictus catfish and paradise fish need together?

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