Can kuhli loaches live with pictus catfish?

Verdict
Yes

Yes, kuhli loaches and pictus catfish can live together. Both are fine at 75–79°F. Plan on at least 55 gal.

Kuhli loachKuhli loach75–86°F · pH 5.5–7 Pictus catfishPictus catfish72–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Kuhli loach 75–86°Pictus catfish 72–79°
The green band is the temperature range both can live in.
456789Both: 6–7Kuhli loach 5.5–7Pictus catfish 6–7.5
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inPictus catfish · 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

Kuhli loachPictus catfish
Temperature75–86 °F72–79 °F
pH5.5–76–7.5
Adult size3.5 in5.0 in
Minimum tank20 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomBottom
GroupGroups of 6+Groups of 3+
DietOmnivoreCarnivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for pictus catfish

All pictus catfish tank mates

Questions

Can kuhli loaches live with pictus catfish?

Yes, kuhli loaches and pictus catfish can live together. Both are fine at 75–79°F. Plan on at least 55 gal.

What temperature suits both kuhli loaches and pictus catfish?

75–79 °F. Kuhli loaches need 75–86 °F, pictus catfish need 72–79 °F.

What size tank do kuhli loaches and pictus catfish need together?

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