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The goliath tigerfish has a characteristic silvery gray dorsum and flanks, with a tunniform body plan similar to that of tuna, featuring black adipose fins. The goliath tigerfish is described as the "Monster Fish of the Congo" by a 2008 documentary by National Geographic, a reflection of its monster-like qualities and of its perception by local people and hunters.
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.
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 .
However, the tigerfish are not interested on feeding on him. After emerging from the water, Jeremy concludes that when the water is clear, the tigerfish can see their targets more clearly and are not likely to attack humans. But when the water drops and becomes more murky, the tigerfish attacks are much more likely to occur.
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Hydrocynus is a genus of characin fish in the family Alestidae commonly called "tigerfish," native to Africa.The genus name is derived from Ancient Greek ὕδωρ ("water" [1]) + κύων ("dog" [1]).
"They won’t normally attack people or larger animals. However, they will defend their territory if they feel threatened, whether that’s a real threat or perceived threat," Tira said.
They are non-venomous and generally do not attack people or pets, according to the Florida Museum of Natural History, but pose a threat to wildlife indigenous to the area.