Can Discus Live With Silver Arowana?
❌Not Compatible
Silver Arowana is aggressive and will likely attack or stress tank mates.
Ad
Parameter Comparison
| Parameter | Discus | Silver Arowana | Overlap |
|---|---|---|---|
| Temperature | 82–88°F | 75–82°F | 82–82°F ✓ |
| pH Range | 5.5–7 | 6–7.5 | 6–7 ✓ |
| Temperament | peaceful | aggressive | Aggression risk ✗ |
| Max Size | 8" | 36" | Size mismatch ✗ |
| Min Tank Size | 55 gal | 125 gal | 125 gal minimum together |
| Diet | Carnivore/Omnivore | Carnivore | — |
| Care Level | advanced | advanced | — |
Species Profiles
Discus
Symphysodon spp.
advancedpeaceful55+ gal
Discus are widely considered the king of freshwater aquarium fish. Their disk-shaped body, vivid colors, and graceful swimming make them the ultimate showpiece. However, they are among the most demanding freshwater fish to keep, requiring warm, soft, exceptionally clean water, frequent feedings, and a stress-free environment. Discus are not recommended for beginners.
Full care guide →Silver Arowana
Osteoglossum bicirrhosum
advancedaggressive125+ gal
The Silver Arowana (Osteoglossum bicirrhosum) is a advanced-level freshwater fish growing to 36 inches. Aggressive temperament, minimum 125 gallon tank.
Full care guide →Other Compatible Tank Mates
For Silver Arowana:
Ad