Can pictus catfish live with fancy goldfish?

Verdict
No

No. Pictus catfish and fancy goldfish should not share a tank. Fancy goldfish are coldwater animals (65–74°F); pictus catfish need 72–79°F. They overlap only at 72–74°F, the edge of both ranges.

Pictus catfishPictus catfish72–79°F · pH 6–7.5 Fancy goldfishFancy goldfish65–74°F · pH 7–8

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–74°Pictus catfish 72–79°Fancy goldfish 65–74°
The green band is the temperature range both can live in.
456789Both: 7–7.5Pictus catfish 6–7.5Fancy goldfish 7–8
The green band is the pH both tolerate.

Size to scale

Pictus catfish · 5 inFancy goldfish · 6 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 catfishFancy goldfish
Temperature72–79 °F65–74 °F
pH6–7.57–8
Adult size5.0 in6.0 in
Minimum tank55 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomAll levels
GroupGroups of 3+Alone or in pairs
DietCarnivoreOmnivore

Better tank mates for pictus catfish

All pictus catfish tank mates

Better tank mates for fancy goldfish

All fancy goldfish tank mates

Questions

Can pictus catfish live with fancy goldfish?

No. Pictus catfish and fancy goldfish should not share a tank. Fancy goldfish are coldwater animals (65–74°F); pictus catfish need 72–79°F. They overlap only at 72–74°F, the edge of both ranges.

What temperature suits both pictus catfish and fancy goldfish?

72–74 °F. Pictus catfish need 72–79 °F, fancy goldfish need 65–74 °F.

What size tank do pictus catfish and fancy goldfish need together?

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