Can sparkling gouramis live with glass catfish?

Verdict
Yes

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

Sparkling gouramiSparkling gourami72–82°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: 75–80°Sparkling gourami 72–82°Glass catfish 75–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Sparkling gourami 6–7.5Glass catfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Sparkling gourami · 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

Sparkling gouramiGlass catfish
Temperature72–82 °F75–80 °F
pH6–7.56.5–7.5
Adult size1.5 in3.0 in
Minimum tank5 gal30 gal
TemperamentPeacefulPeaceful
Swims atTopMiddle
GroupGroups of 4+Groups of 6+
DietOmnivoreCarnivore

Better tank mates for sparkling gouramis

All sparkling gourami tank mates

Better tank mates for glass catfish

All glass catfish tank mates

Questions

Can sparkling gouramis live with glass catfish?

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

What temperature suits both sparkling gouramis and glass catfish?

75–80 °F. Sparkling gouramis need 72–82 °F, glass catfish need 75–80 °F.

What size tank do sparkling gouramis and glass catfish need together?

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