Can kribensis live with arowanas?

Verdict
No

No. Kribensis and arowanas should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 4 inches kribensis do.

What to watch

What works

Water side by side

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

Size to scale

Kribensis · 4 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

KribensisSilver arowana
Temperature75–80 °F75–86 °F
pH6–7.56–7
Adult size4.0 in36.0 in
Minimum tank30 gal250 gal
TemperamentSemi-aggressiveAggressive
Swims atBottomTop
GroupAlone or in pairsOne per tank
DietOmnivoreCarnivore

Better tank mates for kribensis

All kribensis tank mates

Questions

Can kribensis live with arowanas?

No. Kribensis and arowanas should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 4 inches kribensis do.

What temperature suits both kribensis and arowanas?

75–80 °F. Kribensis need 75–80 °F, arowanas need 75–86 °F.

What size tank do kribensis and arowanas need together?

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