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tigerfish
Tigerfish can refer to fish from various families, and derives from official and colloquial associations of these with the tiger (''Panthera tigris''). However, the primary species designated by the name "tigerfish" are African and belong to the family Alestidae.
==African tigerfish==
Several species belonging to the genus ''Hydrocynus'' of the family Alestidae are referred to as "tigerfish," and are particularly prized as game fish. These African fish are found in many rivers and lakes on the continent and are fierce predators with distinctive, proportionally large teeth.
The goliath tigerfish (''Hydrocynus goliath'') is among the most famous tigerfish. The largest one on record is said to have weighed .〔(Goliath Tigerfish ), Animal Planet (March 18, 2014).〕 It is found in the Congo River system and Lake Tanganyika and is the largest member of the Alestidae family. Another famous species, simply called the tigerfish (''Hydrocynus vittatus''), is commonly found in the southernly Okavango Delta, and the Zambezi River, and also in the two biggest lakes along the Zambezi, Lake Kariba in Zimbabwe, and Cabora Bassa in Mozambique, and finally in the Jozini dam in South Africa.
Both the goliath tigerfish and its smaller relative the tigerfish are found in Africa. The African alestidae tigerfish species are silver, as opposed to the most famous species of dorado, which is golden. Coincidentally, the dorado is known as the "tigre del rio" (tiger of the river) in its homeland.(Although 'tigre' can refer to any predatory cat in this part of the world)
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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