Can angelfish live with glass catfish?

Verdict
Yes

Yes. Angelfish and glass catfish make a good pair. Both are fine at 76–80°F. Plan on at least 30 gal.

AngelfishAngelfish76–84°F · pH 6–7.5 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: 76–80°Angelfish 76–84°Glass catfish 75–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Angelfish 6–7.5Glass catfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Angelfish · 6 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

AngelfishGlass catfish
Temperature76–84 °F75–80 °F
pH6–7.56.5–7.5
Adult size6.0 in3.0 in
Minimum tank30 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreCarnivore

Better tank mates for angelfish

All angelfish tank mates

Better tank mates for glass catfish

All glass catfish tank mates

Questions

Can angelfish live with glass catfish?

Yes. Angelfish and glass catfish make a good pair. Both are fine at 76–80°F. Plan on at least 30 gal.

What temperature suits both angelfish and glass catfish?

76–80 °F. Angelfish need 76–84 °F, glass catfish need 75–80 °F.

What size tank do angelfish and glass catfish need together?

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