Minimum tank Covered adult aquarium at least 8 ft long and 3 ft wide, or a suitably sized indoor pond
Adult size Around 30 in (76 cm), with larger adults possible
Temperature 78–82°F (26–28°C)
Water chemistry pH 6.5–7.5
Ammonia and nitrite 0 ppm
Housing & compatibility
Leave ample space at the surface and fit a secure lid over every opening. Use strong filtration and choose only tankmates too large to swallow that can share the available space.
Diet
Offer an appropriately sized floating carnivore pellet if accepted, with suitable frozen insects, shrimp or other aquatic invertebrates.
Species notes
Osteoglossum bicirrhosum. The medium designation refers to the size at sale. Silver arowanas grow into large surface predators.
