African Arowana Care Guide
Heterotis niloticus
- Max Size
- 100.0 cm / 39.4"
- Temperature
- 24–28°C (75–82°F)
- pH Range
- 6.5 – 7.5
- Min Tank Size
- 2000L (528 gal)
- Min Group Size
- Can be kept alone
- Tank Level
- Bottom-Mid
- Origin
- Africa
- Temperament
- Semi-Aggressive
- Difficulty
- Advanced
- Breeding Difficulty
- Difficult
Diet
Omnivorous; feeds on plankton, insects, and small fish.
Community Compatibility
Can coexist with other large, peaceful fish.
Good to Know
The African Arowana is capable of gulping air from the surface, allowing it to survive in oxygen-poor water.
Gender Differences
Males may develop a darker coloration during breeding season.
About the African Arowana
The African Arowana, scientifically known as Heterotis niloticus, is a remarkable freshwater species indigenous to various river systems, lakes, and floodplains across Africa. This species is part of the Osteoglossidae family, ancient fish known for their bony tongues and highly evolved jaw structures. Unlike its Asian and South American counterparts, the African Arowana has a more elongated body and a distinctively silver coloration, with a shimmer that can catch the light beautifully.
One of the most fascinating aspects of the African Arowana is its feeding behavior. Equipped with an upturned mouth and the ability to leap from the water, it primarily feeds on insects, crustaceans, and smaller fish at the water's surface. This aerial feeding strategy is not only captivating to observe but also showcases the agility and predatory skills of this species.
The African Arowana's ability to breathe atmospheric air is another notable adaptation, allowing it to survive in waters with low oxygen levels. This capability is facilitated by a highly vascularized swim bladder, functioning similarly to a lung, which enables the fish to gulp air from the surface and thrive in a variety of aquatic environments.
In captivity, providing a suitable environment for the African Arowana involves a spacious aquarium with ample room for swimming. The tank should be securely covered, as their jumping ability can lead to escape attempts. The aquarium setup should mimic their natural habitat, with clean, well-oxygenated water and areas of open space for surface feeding. Decorations and plants can be added for aesthetic purposes and to provide hiding spots, but it's important to ensure plenty of free swimming area to accommodate their active behavior.
The diet of the African Arowana in captivity should reflect its natural feeding habits, including a variety of live and frozen foods such as insects, shrimp, and small fish. Offering a balanced diet is crucial for maintaining their health and vitality.
Breeding African Arowanas in a home aquarium setting is quite challenging and rare, requiring specific conditions that are difficult to replicate. In the wild, their breeding involves nest building and parental care, with males playing a significant role in guarding the eggs and fry.
Conservation efforts are essential for the African Arowana, as habitat destruction, pollution, and overfishing in some regions pose threats to their populations. Sustainable practices and habitat protection are crucial to ensuring the survival of this species in the wild.
Overall, the African Arowana is a captivating species that offers a unique glimpse into the evolutionary past of freshwater fish. For aquarists willing to meet their care requirements, this species can be a stunning and rewarding addition to a large freshwater aquarium, providing an opportunity to observe the fascinating behaviors and characteristics of one of Africa's ancient fish species.
Stock African Arowana in Your Tank
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