Can clown loaches live with glass catfish?

Verdict
Yes

Yes. Clown loaches and glass catfish make a good pair. Both are fine at 77–80°F. Plan on at least 75 gal.

Clown loachClown loach77–86°F · pH 6–7.5 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: 77–80°Clown loach 77–86°Glass catfish 75–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Clown loach 6–7.5Glass catfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Clown loach · 8 inGlass catfish · 3 in0"1"2"3"4"5"6"7"8"
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

Clown loachGlass catfish
Temperature77–86 °F75–80 °F
pH6–7.56.5–7.5
Adult size8.0 in3.0 in
Minimum tank75 gal30 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 5+Groups of 6+
DietOmnivoreCarnivore

Better tank mates for clown loaches

All clown loach tank mates

Better tank mates for glass catfish

All glass catfish tank mates

Questions

Can clown loaches live with glass catfish?

Yes. Clown loaches and glass catfish make a good pair. Both are fine at 77–80°F. Plan on at least 75 gal.

What temperature suits both clown loaches and glass catfish?

77–80 °F. Clown loaches need 77–86 °F, glass catfish need 75–80 °F.

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

At least 75 gal, set by the clown loach. Add space for each extra fish.