Can severums live with arowanas?
Verdict
No
No. Severums and arowanas should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 8 inches severums do.
What to watch
- Deal breakerAn adult silver arowana eats fish that fit in its mouth, and at 8 inches severums do.
- Deal breakerArowanas are aggressive and much bigger than severums.
- Watch outArowanas grow to 36 inches and need 250 gallons, far more than a tank set up for severums.
What works
- Both are fine at 75–84°F.
- pH 6–7 suits both.
- They use different parts of the tank: severums the mid, arowanas the top.
Water side by side
Size to scale
Care at a glance
| Severum | Silver arowana | |
|---|---|---|
| Temperature | 74–84 °F | 75–86 °F |
| pH | 6–7 | 6–7 |
| Adult size | 8.0 in | 36.0 in |
| Minimum tank | 55 gal | 250 gal |
| Temperament | Semi-aggressive | Aggressive |
| Swims at | Middle | Top |
| Group | Alone or in pairs | One per tank |
| Diet | Omnivore | Carnivore |
Better tank mates for severums
Questions
Can severums live with arowanas?
No. Severums and arowanas should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 8 inches severums do.
What temperature suits both severums and arowanas?
75–84 °F. Severums need 74–84 °F, arowanas need 75–86 °F.
What size tank do severums and arowanas need together?
At least 250 gal, set by the silver arowana. Add space for each extra fish.