Can glass catfish live with zebra loaches?

Verdict
Yes

Yes. Glass catfish and zebra loaches 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 Zebra loachZebra loach73–79°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°Zebra loach 73–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Glass catfish 6.5–7.5Zebra loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Glass catfish · 3 inZebra loach · 3.5 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 catfishZebra loach
Temperature75–80 °F73–79 °F
pH6.5–7.56–7.5
Adult size3.0 in3.5 in
Minimum tank30 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Groups of 5+
DietCarnivoreOmnivore

Better tank mates for glass catfish

All glass catfish tank mates

Better tank mates for zebra loaches

All zebra loach tank mates

Questions

Can glass catfish live with zebra loaches?

Yes. Glass catfish and zebra loaches 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 zebra loaches?

75–79 °F. Glass catfish need 75–80 °F, zebra loaches need 73–79 °F.

What size tank do glass catfish and zebra loaches need together?

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