Can glass catfish live with pygmy corys?

Verdict
Yes

Yes. Glass catfish and pygmy corys get along in the same tank. Both are fine at 75–79°F. Plan on at least 30 gal.

Glass catfishGlass catfish75–80°F · pH 6.5–7.5 Pygmy coryPygmy cory72–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Glass catfish 75–80°Pygmy cory 72–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Glass catfish 6.5–7.5Pygmy cory 6–7.5
The green band is the pH both tolerate.

Size to scale

Glass catfish · 3 inPygmy cory · 1 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

Glass catfishPygmy cory
Temperature75–80 °F72–79 °F
pH6.5–7.56–7.5
Adult size3.0 in1.0 in
Minimum tank30 gal10 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietCarnivoreOmnivore

Better tank mates for glass catfish

All glass catfish tank mates

Better tank mates for pygmy corys

All pygmy cory tank mates

Questions

Can glass catfish live with pygmy corys?

Yes. Glass catfish and pygmy corys get along in the same tank. Both are fine at 75–79°F. Plan on at least 30 gal.

What temperature suits both glass catfish and pygmy corys?

75–79 °F. Glass catfish need 75–80 °F, pygmy corys need 72–79 °F.

What size tank do glass catfish and pygmy corys need together?

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