Can glass catfish live with peacock cichlids?

Verdict
Yes, with care

Yes, with care. Glass catfish and peacock cichlids can share a tank, but watch one thing. Different water: glass catfish want pH 6.5–7.5, peacock cichlids want pH 7.8–8.6.

Glass catfishGlass catfish75–80°F · pH 6.5–7.5 Peacock cichlidPeacock cichlid76–82°F · pH 7.8–8.6

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–80°Glass catfish 75–80°Peacock cichlid 76–82°
The green band is the temperature range both can live in.
456789Glass catfish 6.5–7.5Peacock cichlid 7.8–8.6
No pH suits both. One would live in the wrong water all the time.

Size to scale

Glass catfish · 3 inPeacock cichlid · 6 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 catfishPeacock cichlid
Temperature75–80 °F76–82 °F
pH6.5–7.57.8–8.6
Adult size3.0 in6.0 in
Minimum tank30 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleMiddle
GroupGroups of 6+Groups of 4+
DietCarnivoreCarnivore

Better tank mates for glass catfish

All glass catfish tank mates

Better tank mates for peacock cichlids

All peacock cichlid tank mates

Questions

Can glass catfish live with peacock cichlids?

Yes, with care. Glass catfish and peacock cichlids can share a tank, but watch one thing. Different water: glass catfish want pH 6.5–7.5, peacock cichlids want pH 7.8–8.6.

What temperature suits both glass catfish and peacock cichlids?

76–80 °F. Glass catfish need 75–80 °F, peacock cichlids need 76–82 °F.

What size tank do glass catfish and peacock cichlids need together?

At least 55 gal, set by the peacock cichlid. Add space for each extra fish.