Can tiger barbs live with bolivian rams?

Verdict
Yes

Yes. Tiger barbs and bolivian rams make a good pair. Both are fine at 72–79°F. Plan on at least 30 gal.

Tiger barbTiger barb72–81°F · pH 6–7.5 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°Tiger barb 72–81°Bolivian ram 72–79°
The green band is the temperature range both can live in.
456789Both: 6–7.5Tiger barb 6–7.5Bolivian ram 6–7.5
The green band is the pH both tolerate.

Size to scale

Tiger barb · 3 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

Tiger barbBolivian ram
Temperature72–81 °F72–79 °F
pH6–7.56–7.5
Adult size3.0 in3.0 in
Minimum tank30 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for tiger barbs

All tiger barb tank mates

Better tank mates for bolivian rams

All bolivian ram tank mates

Questions

Can tiger barbs live with bolivian rams?

Yes. Tiger barbs and bolivian rams make a good pair. Both are fine at 72–79°F. Plan on at least 30 gal.

What temperature suits both tiger barbs and bolivian rams?

72–79 °F. Tiger barbs need 72–81 °F, bolivian rams need 72–79 °F.

What size tank do tiger barbs and bolivian rams need together?

At least 30 gal, set by the tiger barb. Add space for each extra fish.