Can glass catfish live with arowanas?
Verdict
No
No. Glass catfish and arowanas should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 3 inches glass catfish do.
What to watch
- Deal breakerAn adult silver arowana eats fish that fit in its mouth, and at 3 inches glass catfish do.
- Deal breakerArowanas are aggressive and will bully peaceful glass catfish.
- Watch outArowanas grow to 36 inches and need 250 gallons, far more than a tank set up for glass catfish.
What works
- Both are fine at 75–80°F.
- pH 6.5–7 suits both.
- They use different parts of the tank: glass catfish the mid, arowanas the top.
Water side by side
Size to scale
Care at a glance
| Glass catfish | Silver arowana | |
|---|---|---|
| Temperature | 75–80 °F | 75–86 °F |
| pH | 6.5–7.5 | 6–7 |
| Adult size | 3.0 in | 36.0 in |
| Minimum tank | 30 gal | 250 gal |
| Temperament | Peaceful | Aggressive |
| Swims at | Middle | Top |
| Group | Groups of 6+ | One per tank |
| Diet | Carnivore | Carnivore |
Better tank mates for glass catfish
Questions
Can glass catfish live with arowanas?
No. Glass catfish and arowanas should not share a tank. An adult silver arowana eats fish that fit in its mouth, and at 3 inches glass catfish do.
What temperature suits both glass catfish and arowanas?
75–80 °F. Glass catfish need 75–80 °F, arowanas need 75–86 °F.
What size tank do glass catfish and arowanas need together?
At least 250 gal, set by the silver arowana. Add space for each extra fish.