Can kuhli loaches live with glass catfish?

Verdict
Yes

Yes. Kuhli loaches and glass catfish make a good pair. Both are fine at 75–80°F. Plan on at least 30 gal.

Kuhli loachKuhli loach75–86°F · pH 5.5–7 Glass catfishGlass catfish75–80°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Kuhli loach 75–86°Glass catfish 75–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7Kuhli loach 5.5–7Glass catfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inGlass catfish · 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

Kuhli loachGlass catfish
Temperature75–86 °F75–80 °F
pH5.5–76.5–7.5
Adult size3.5 in3.0 in
Minimum tank20 gal30 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreCarnivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for glass catfish

All glass catfish tank mates

Questions

Can kuhli loaches live with glass catfish?

Yes. Kuhli loaches and glass catfish make a good pair. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both kuhli loaches and glass catfish?

75–80 °F. Kuhli loaches need 75–86 °F, glass catfish need 75–80 °F.

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

At least 30 gal, set by the glass catfish. Add space for each extra fish.