Can bolivian rams live with upside down catfish?

Verdict
Yes

Yes, bolivian rams and upside down catfish can live together. Both are fine at 72–79°F. Plan on at least 30 gal.

Bolivian ramBolivian ram72–79°F · pH 6–7.5 Upside down catfishUpside down catfish72–79°F · pH 6–7.5

Why it works

Water side by side

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

Size to scale

Bolivian ram · 3 inUpside down catfish · 4 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

Bolivian ramUpside down catfish
Temperature72–79 °F72–79 °F
pH6–7.56–7.5
Adult size3.0 in4.0 in
Minimum tank20 gal30 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupAlone or in pairsGroups of 3+
DietOmnivoreOmnivore

Better tank mates for bolivian rams

All bolivian ram tank mates

Better tank mates for upside down catfish

All upside down catfish tank mates

Questions

Can bolivian rams live with upside down catfish?

Yes, bolivian rams and upside down catfish can live together. Both are fine at 72–79°F. Plan on at least 30 gal.

What temperature suits both bolivian rams and upside down catfish?

72–79 °F. Bolivian rams need 72–79 °F, upside down catfish need 72–79 °F.

What size tank do bolivian rams and upside down catfish need together?

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