African Arowana and Similar Species
Heterotis niloticus
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Open the appSeveral fish can be confused with African Arowana. Here are the key differences.
Species often confused with {name}
Silver Arowana
Osteoglossum bicirrhosum
Key differences: The Silver Arowana has a more silvery, iridescent coloration, a more pointed head, and a distinct bony tongue. It is a predatory fish with a different mouth structure and feeding strategy (surface insectivore/piscivore) compared to the filter-feeding African Arowana. It also possesses two prominent barbels on its lower jaw, which are absent in Heterotis niloticus.
Asian Arowana
Scleropages formosus
Key differences: Asian Arowanas come in various vibrant colors (red, gold, green) and have much larger, more prominent scales with a metallic sheen. Like the Silver Arowana, they are predatory, possess a bony tongue, and have two barbels on the lower jaw. Their body shape is generally more robust and less compressed than the African Arowana.
Arapaima
Arapaima gigas
Key differences: While also a large, ancient fish, Arapaima are significantly larger, have a more torpedo-shaped body, and possess a distinct, bony, and heavily armored head. Their scales are also very large but have a different texture and pattern. Arapaima are obligate air-breathers and predatory, unlike the filter-feeding African Arowana.
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