Can bettas live with bolivian rams?

Verdict
Yes

Yes, bettas and bolivian rams can live together. Both are fine at 76–79°F. Plan on at least 20 gal.

BettaBetta76–82°F · pH 6.5–7.5 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: 76–79°Betta 76–82°Bolivian ram 72–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Betta 6.5–7.5Bolivian ram 6–7.5
The green band is the pH both tolerate.

Size to scale

Betta · 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

BettaBolivian ram
Temperature76–82 °F72–79 °F
pH6.5–7.56–7.5
Adult size2.5 in3.0 in
Minimum tank5 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atTopBottom
GroupOne per tankAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for bettas

All betta tank mates

Better tank mates for bolivian rams

All bolivian ram tank mates

Questions

Can bettas live with bolivian rams?

Yes, bettas and bolivian rams can live together. Both are fine at 76–79°F. Plan on at least 20 gal.

What temperature suits both bettas and bolivian rams?

76–79 °F. Bettas need 76–82 °F, bolivian rams need 72–79 °F.

What size tank do bettas and bolivian rams need together?

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