Overview
The Silver Arowana (Osteoglossum bicirrhosum) is a advanced freshwater species known for its silver, iridescent coloration. Jumps. Surface.
Origin & Appearance
Origin: South America.
Colors: Silver, Iridescent.
Body Shape: Elongate (long/slender). Typical adult dimensions: 120.0 x 14.4 x 18.0.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 528 gallons |
| Temperature | 75–82°F |
| pH Range | 6–7.5 |
| Water Hardness (GH) | 3-10 |
| Bioload | very-high |
| Oxygen Demand | high |
| Plant Safe | no |
| Aquarium Position | Surface |
Behavior & Activity
Surface patrol predator; glides just below waterline; leaps out of water to catch insects from branches; powerful cruiser
Speed: 60/100Aggression: 7/10diurnal
Breeding
Difficult; paternal mouthbrooder
Common Diseases
💊 Drop eye💊 gill curl
Expert Notes
Jumps; extremely large predator