fish-tank › fish species
Silver Arowana (Osteoglossum bicirrhosum)
Reaches 3ft — needs 8ft+ tank with 240gal min; tight lid mandatory (jumper). Common pet-store outgrow tragedy.
Specifications
- ecosystem
- freshwater
- min tank gallons
- 240
- adult size in
- 36
- temperature range f
- 75-86
- ph range
- 6.0-7.5
- gh range dgh
- 5-20
- care difficulty
- advanced
- aggression
- aggressive
- community compatible
- no
- schooling min count
- 1
- diet
- carnivore
- lifespan years
- 10-15
- tank zone
- top
Sources
- Aquarium Co-Op video / blog content · ingest 2026-05-06
- r/Aquariums + r/PlantedTank + r/ReefTank public threads · ingest 2026-05-06
- Practical Fishkeeping public articles · ingest 2026-05-06