Can rummy nose tetras live with glass catfish?

Verdict
Yes

Yes, rummy nose tetras and glass catfish can live together. Both are fine at 75–80°F. Plan on at least 30 gal.

Rummy nose tetraRummy nose tetra75–84°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°Rummy nose tetra 75–84°Glass catfish 75–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7Rummy nose tetra 5.5–7Glass catfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Rummy nose tetra · 2 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

Rummy nose tetraGlass catfish
Temperature75–84 °F75–80 °F
pH5.5–76.5–7.5
Adult size2.0 in3.0 in
Minimum tank20 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreCarnivore

Better tank mates for rummy nose tetras

All rummy nose tetra tank mates

Better tank mates for glass catfish

All glass catfish tank mates

Questions

Can rummy nose tetras live with glass catfish?

Yes, rummy nose tetras and glass catfish can live together. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both rummy nose tetras and glass catfish?

75–80 °F. Rummy nose tetras need 75–84 °F, glass catfish need 75–80 °F.

What size tank do rummy nose tetras and glass catfish need together?

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