Can neon tetras live with glass catfish?

Verdict
Yes

Yes, neon tetras and glass catfish can live together. Both are fine at 75–79°F. Plan on at least 30 gal.

Neon tetraNeon tetra72–79°F · pH 6–7 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: 75–79°Neon tetra 72–79°Glass catfish 75–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7Neon tetra 6–7Glass catfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Neon tetra · 1.5 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

Neon tetraGlass catfish
Temperature72–79 °F75–80 °F
pH6–76.5–7.5
Adult size1.5 in3.0 in
Minimum tank10 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreCarnivore

Better tank mates for neon tetras

All neon tetra tank mates

Better tank mates for glass catfish

All glass catfish tank mates

Questions

Can neon tetras live with glass catfish?

Yes, neon tetras and glass catfish can live together. Both are fine at 75–79°F. Plan on at least 30 gal.

What temperature suits both neon tetras and glass catfish?

75–79 °F. Neon tetras need 72–79 °F, glass catfish need 75–80 °F.

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

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