Can bala sharks live with arowanas?

Verdict
No

No. Bala sharks and arowanas should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 13 inches bala sharks do.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Bala shark 72–82°Silver arowana 75–86°
The green band is the temperature range both can live in.
456789Both: 6.5–7Bala shark 6.5–7.5Silver arowana 6–7
The green band is the pH both tolerate.

Size to scale

Bala shark · 13 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

Bala sharkSilver arowana
Temperature72–82 °F75–86 °F
pH6.5–7.56–7
Adult size13.0 in36.0 in
Minimum tank125 gal250 gal
TemperamentPeacefulAggressive
Swims atMiddleTop
GroupGroups of 4+One per tank
DietOmnivoreCarnivore

Better tank mates for bala sharks

All bala shark tank mates

Questions

Can bala sharks live with arowanas?

No. Bala sharks and arowanas should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 13 inches bala sharks do.

What temperature suits both bala sharks and arowanas?

75–82 °F. Bala sharks need 72–82 °F, arowanas need 75–86 °F.

What size tank do bala sharks and arowanas need together?

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