Can rams live with bolivian rams?

Verdict
No

No. Rams and bolivian rams should not share a tank. No shared temperature. Rams need 80–86°F, bolivian rams need 72–79°F.

German blue ramGerman blue ram80–86°F · pH 5–7 Bolivian ramBolivian ram72–79°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°German blue ram 80–86°Bolivian ram 72–79°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 6–7German blue ram 5–7Bolivian ram 6–7.5
The green band is the pH both tolerate.

Size to scale

German blue ram · 2.5 inBolivian ram · 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

German blue ramBolivian ram
Temperature80–86 °F72–79 °F
pH5–76–7.5
Adult size2.5 in3.0 in
Minimum tank20 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for rams

All german blue ram tank mates

Better tank mates for bolivian rams

All bolivian ram tank mates

Questions

Can rams live with bolivian rams?

No. Rams and bolivian rams should not share a tank. No shared temperature. Rams need 80–86°F, bolivian rams need 72–79°F.

What temperature suits both rams and bolivian rams?

None. Rams need 80–86 °F and bolivian rams need 72–79 °F, so the ranges do not meet.

What size tank do rams and bolivian rams need together?

At least 20 gal, set by the german blue ram. Add space for each extra fish.