Can bolivian rams live with arowanas?

Verdict
No

No. Bolivian rams and arowanas should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 3 inches bolivian rams do.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Bolivian ram 72–79°Silver arowana 75–86°
The green band is the temperature range both can live in.
456789Both: 6–7Bolivian ram 6–7.5Silver arowana 6–7
The green band is the pH both tolerate.

Size to scale

Bolivian ram · 3 inSilver arowana · 36 in0"6"12"18"24"30"36"
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 ramSilver arowana
Temperature72–79 °F75–86 °F
pH6–7.56–7
Adult size3.0 in36.0 in
Minimum tank20 gal250 gal
TemperamentPeacefulAggressive
Swims atBottomTop
GroupAlone or in pairsOne per tank
DietOmnivoreCarnivore

Better tank mates for bolivian rams

All bolivian ram tank mates

Questions

Can bolivian rams live with arowanas?

No. Bolivian rams and arowanas should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 3 inches bolivian rams do.

What temperature suits both bolivian rams and arowanas?

75–79 °F. Bolivian rams need 72–79 °F, arowanas need 75–86 °F.

What size tank do bolivian rams and arowanas need together?

At least 250 gal, set by the silver arowana. Add space for each extra fish.