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The oscar (Astronotus ocellatus) is a species of fish from the cichlid family known under a variety of common names, including tiger oscar, velvet cichlid, and marble cichlid. [2] In tropical South America, where the species naturally resides, A. ocellatus specimens are often found for sale as a food fish in the local markets.
The species is large, silver-coloured, and individuals typically have one or more black lines running the length of either flank. These fish are native to Lake Malawi in Africa. Like the other African tigerfish species, they are famed for possessing large, prominent teeth, and they are known to attack humans. [citation needed]
Hydrocynus forskahlii is preserved by salting, especially in Upper Egyptian Nile, but most are now imported as salted fish from Sudan. [1] Tigerfish are rare in the aquarium trade but this species is the most commonly traded and kept species. [5] As Hydrocynus forskahlii is a commercially important species it suffers from heavy fishing pressure ...
The genus contains five species, [2] all commonly known as "African tigerfish" for their fierce predatory behaviour and other characteristics that make them excellent game fish. [3] Hydrocynus are normally piscivorous , [ 4 ] but H. vittatus is proven to prey on birds in flight.
Common names of fish can refer to a single species; to an entire group of species, such as a genus or family; or to multiple unrelated species or groups. Ambiguous common names are accompanied by their possible meanings. Scientific names for individual species and higher taxa are included in parentheses.
On "River Monsters," Jeremy Wade traveled to South America to investigate where a Bolivian man named Oscar was killed when face was ripped off while swimming across the South American River.
Hydrocynus vittatus, the African tigerfish, tiervis or ngwesh [3] is a predatory freshwater fish distributed throughout much of Africa. This fish is generally a piscivore but it has been observed leaping out of the water and catching barn swallows in flight. [4] [5]
This species is rather common over most of its range, without any known widespread threats. There is, however, a conservation policy in place in Ghana, and one potential threat is overfishing, as well as deforestation and pollution. There currently is a lack of research regarding the population of the species and its range.