Can guppies live with bolivian rams?

Verdict
Yes

Yes. Guppies and bolivian rams get along in the same tank. Both are fine at 72–79°F. Plan on at least 20 gal.

GuppyGuppy72–82°F · pH 6.8–7.8 Bolivian ramBolivian ram72–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Guppy 72–82°Bolivian ram 72–79°
The green band is the temperature range both can live in.
456789Both: 6.8–7.5Guppy 6.8–7.8Bolivian ram 6–7.5
The green band is the pH both tolerate.

Size to scale

Guppy · 2 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

GuppyBolivian ram
Temperature72–82 °F72–79 °F
pH6.8–7.86–7.5
Adult size2.0 in3.0 in
Minimum tank10 gal20 gal
TemperamentPeacefulPeaceful
Swims atTopBottom
GroupGroups of 3+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for guppies

All guppy tank mates

Better tank mates for bolivian rams

All bolivian ram tank mates

Questions

Can guppies live with bolivian rams?

Yes. Guppies and bolivian rams get along in the same tank. Both are fine at 72–79°F. Plan on at least 20 gal.

What temperature suits both guppies and bolivian rams?

72–79 °F. Guppies need 72–82 °F, bolivian rams need 72–79 °F.

What size tank do guppies and bolivian rams need together?

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