Can upside down catfish live with glofish?

Verdict
Yes

Yes. Upside down catfish and glofish get along in the same tank. Both are fine at 72–79°F. Plan on at least 30 gal.

Upside down catfishUpside down catfish72–79°F · pH 6–7.5 GloFish tetraGloFish tetra72–80°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Upside down catfish 72–79°GloFish tetra 72–80°
The green band is the temperature range both can live in.
456789Both: 6–7.5Upside down catfish 6–7.5GloFish tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Upside down catfish · 4 inGloFish tetra · 2.5 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

Upside down catfishGloFish tetra
Temperature72–79 °F72–80 °F
pH6–7.56–7.5
Adult size4.0 in2.5 in
Minimum tank30 gal15 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupGroups of 3+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for upside down catfish

All upside down catfish tank mates

Better tank mates for glofish

All glofish tetra tank mates

Questions

Can upside down catfish live with glofish?

Yes. Upside down catfish and glofish get along in the same tank. Both are fine at 72–79°F. Plan on at least 30 gal.

What temperature suits both upside down catfish and glofish?

72–79 °F. Upside down catfish need 72–79 °F, glofish need 72–80 °F.

What size tank do upside down catfish and glofish need together?

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