Can glass catfish live with clown plecos?

Verdict
Yes

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

Glass catfishGlass catfish75–80°F · pH 6.5–7.5 Clown plecoClown pleco73–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Glass catfish 75–80°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Glass catfish 6.5–7.5Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Glass catfish · 3 inClown pleco · 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 catfishClown pleco
Temperature75–80 °F73–82 °F
pH6.5–7.56.5–7.5
Adult size3.0 in3.5 in
Minimum tank30 gal20 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietCarnivoreHerbivore

Better tank mates for glass catfish

All glass catfish tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can glass catfish live with clown plecos?

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

What temperature suits both glass catfish and clown plecos?

75–80 °F. Glass catfish need 75–80 °F, clown plecos need 73–82 °F.

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

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