Can arowanas live with clown plecos?
Verdict
No
No. Arowanas and clown plecos should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 3.5 inches clown plecos do.
What to watch
- Deal breakerAn adult silver arowana eats fish that fit in its mouth, and at 3.5 inches clown plecos do.
- Deal breakerArowanas are aggressive and will bully peaceful clown plecos.
- Watch outArowanas grow to 36 inches and need 250 gallons, far more than a tank set up for clown plecos.
What works
- Both are fine at 75–82°F.
- pH 6.5–7 suits both.
- They use different parts of the tank: arowanas the top, clown plecos the bottom.
Water side by side
Size to scale
Care at a glance
| Silver arowana | Clown pleco | |
|---|---|---|
| Temperature | 75–86 °F | 73–82 °F |
| pH | 6–7 | 6.5–7.5 |
| Adult size | 36.0 in | 3.5 in |
| Minimum tank | 250 gal | 20 gal |
| Temperament | Aggressive | Peaceful |
| Swims at | Top | Bottom |
| Group | One per tank | Alone or in pairs |
| Diet | Carnivore | Herbivore |
Better tank mates for clown plecos
Questions
Can arowanas live with clown plecos?
No. Arowanas and clown plecos should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 3.5 inches clown plecos do.
What temperature suits both arowanas and clown plecos?
75–82 °F. Arowanas need 75–86 °F, clown plecos need 73–82 °F.
What size tank do arowanas and clown plecos need together?
At least 250 gal, set by the silver arowana. Add space for each extra fish.