Silver Arowana - Osteoglossum bicirrhosum

The Silver Arowana comes from the Amazon River in South America. The silver arowana is a very beautiful and a fascinating fish to watch. However, because of their huge adult size of 35 - 40 inches (89 - 102 cm) they are not recommended for the beginning aquarist. Actually, this is one of those fish that are probably best kept in the wild or in huge public aquariums.
The Silver Arowana requires at least a 200 gallon (750 liters) tank to adequately keep them. You also need an excellent aquarium filter such as an external canister filter. Arowanas are also excellent jumpers so you will need a good, tight fitting hood with no escape holes. In the wild, the Silver Arowana can jump out of the water at insects and small animals on overhanging branches.
Because of their potential adult size, there are not many compatible tank mates that quickly come to mind but you may be able to keep an Arowana with a larger Common Pleco.
This fish is definitely one fish species that is best left to the experts and public aquariums.
Silver Arowana Picture


Silver Arowana

Scientific Name : Osteoglossum bicirrhosum


Common Names : Silver Arowana, Dragon Fish, Arawana, Aruana, Arrowana, etc.

Arowana Care Level : Moderate to Difficult, needs a large tank and is not recommended for the beginning aquarist. Needs a good aquarium filter like an external canister filter.

Size : 35 - 40 inches (89 - 102 cm)

Temperature : 75°F - 83°F (24°C - 28°C)

Lifespan : 10 - 20 years or longer.

Origin / Habitat : South America, Amazon River

Temperament / Behavior : Can be aggressive, especially with smaller aquarium species.
Breeding : They have been bred in captivity. The males carry the eggs in their mouths (mouth brooder).

Aquarium Size : 200 gallon minimum but preferably much larger tanks. This fish is best left in the wild, in public aquarium displays or with advanced hobbyists with the equipment and space to keep them.

Compatible Tank Mates : Because of the huge adult size of Arowana there are very few common aquarium species recommended. One that may potentially be kept with them is the Common Pleco, but you would need an even bigger tank (bigger than 200 gallons) to provide both of them with adequate water volume as adults.

Diet / Foods : A carnivore - provide a varied diet with pellet food, frozen food and they will definitely accept live food.

Tank Region : Mostly at the top of tank

Gender : May only be possible to determine gender differences in mature adults Arowanas. Males may have larger mouths since they are mouth breeders.

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