Can bolivian rams live with swordtails?

Verdict
Yes

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

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Bolivian ram 72–79°Swordtail 72–79°
The green band is the temperature range both can live in.
456789Both: 7–7.5Bolivian ram 6–7.5Swordtail 7–8.3
The green band is the pH both tolerate.

Size to scale

Bolivian ram · 3 inSwordtail · 5 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 ramSwordtail
Temperature72–79 °F72–79 °F
pH6–7.57–8.3
Adult size3.0 in5.0 in
Minimum tank20 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsGroups of 3+
DietOmnivoreOmnivore

Better tank mates for bolivian rams

All bolivian ram tank mates

Better tank mates for swordtails

All swordtail tank mates

Questions

Can bolivian rams live with swordtails?

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

What temperature suits both bolivian rams and swordtails?

72–79 °F. Bolivian rams need 72–79 °F, swordtails need 72–79 °F.

What size tank do bolivian rams and swordtails need together?

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