Can platies live with glass catfish?

Verdict
Yes

Yes. Platies and glass catfish make a good pair. Both are fine at 75–80°F. Plan on at least 30 gal.

PlatyPlaty70–80°F · pH 7–8.2 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°Platy 70–80°Glass catfish 75–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Platy 7–8.2Glass catfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Platy · 2.5 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

PlatyGlass catfish
Temperature70–80 °F75–80 °F
pH7–8.26.5–7.5
Adult size2.5 in3.0 in
Minimum tank10 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 3+Groups of 6+
DietOmnivoreCarnivore

Better tank mates for platies

All platy tank mates

Better tank mates for glass catfish

All glass catfish tank mates

Questions

Can platies live with glass catfish?

Yes. Platies and glass catfish make a good pair. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both platies and glass catfish?

75–80 °F. Platies need 70–80 °F, glass catfish need 75–80 °F.

What size tank do platies and glass catfish need together?

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