Can glass catfish live with glowlight tetras?

Verdict
Yes

Yes. Glass catfish and glowlight tetras get along in the same tank. Both are fine at 75–80°F. Plan on at least 30 gal.

Glass catfishGlass catfish75–80°F · pH 6.5–7.5 Glowlight tetraGlowlight tetra74–80°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Glass catfish 75–80°Glowlight tetra 74–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Glass catfish 6.5–7.5Glowlight tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Glass catfish · 3 inGlowlight tetra · 1.5 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

Glass catfishGlowlight tetra
Temperature75–80 °F74–80 °F
pH6.5–7.56–7.5
Adult size3.0 in1.5 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 glowlight tetras

All glowlight tetra tank mates

Questions

Can glass catfish live with glowlight tetras?

Yes. Glass catfish and glowlight tetras get along in the same tank. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both glass catfish and glowlight tetras?

75–80 °F. Glass catfish need 75–80 °F, glowlight tetras need 74–80 °F.

What size tank do glass catfish and glowlight tetras need together?

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