Silver Arowana
Osteoglossum bicirrhosum
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Last updated: November 17, 2025
Overview
Large, powerful surface dweller with metallic scales.
Origin: South America
Family: Osteoglossidae
Physical Characteristics
Maximum Size: 90.00 cm
Temperament: Territorial
Care Level: Difficult
Diet Type: Carnivore
Habitat Requirements
Water Type: Freshwater
Temperature Range: 24.0°C - 30.0°C
pH Range: 6.5 - 7.5
Water Hardness: 4 - 15 dGH
Minimum Tank Size: 500 liters
Care and Feeding
Diet Information:
Eats live fish, insects, pellets.
Care Level:
Difficult
Breeding
Breeding Difficulty: Difficult
Rarely breeds in captivity.
Compatibility
Territorial
Needs large tank and secure lid.