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The arapaima, pirarucu, or paiche is any large species of bonytongue in the genus Arapaima native to the Amazon and Essequibo basins of South America. Arapaima is the type genus of the subfamily Arapaiminae within the family Osteoglossidae. [1] [2] [3] They are among the world's largest freshwater fish, reaching as much as 3 m (9.8 ft) in ...
Arapaima gigas. Arapaima gigas, also known as pirarucu or simply arapaima, [3] is a species of arapaima native to the basin of the Amazon River. Once believed to be the sole species in the genus, it is among the largest freshwater fish. The species is an obligate air breather, so it needs to come to the surface regularly to breathe air.
Hoplias macrophthalmus (Pellegrin, 1907) Hoplias aimara, also known as anjumara, traíra, trahira, manjuma, anjoemara and wolf fish, is a species of freshwater fish found in the rivers of South America. [1] In Amazonia, the native populations are concerned by high levels of mercury contamination which have been linked to the consumption of ...
A large alligator gar, the largest freshwater fish in North America The largest of the gar, and the largest entirely freshwater fish in North America, is the alligator gar (Atractosteus spatula). The largest gar ever known, caught in Louisiana in 1925, was 3 m (9.8 ft) in length and weighed 137 kg (302 lb). [1] Anglerfish (Lophiiformes)
The largest, the arapaima and piraiba can reach 3 m (9.8 ft) or more in length and up to 200 kg (440 lb) in weight, making them some of the largest strict freshwater fish in the world. [ 21 ] [ 22 ] The bull shark and common sawfish , which have been recorded far up the Amazon, may reach even greater sizes, but they are euryhaline and often ...
A. agassizii. Binomial name. Arapaima agassizii. ( Valenciennes, 1847) Synonyms. Vastres agassizii Valenciennes, 1847. Arapaima agassizii is a species of freshwater fish endemic to Brazil. It is a member of the arapaimas, a genus of air-breathing fish that contains some of the world's largest freshwater fish. [2]
The largest recorded size is 1.3 m (51 in) in length and 34 kg (75 lb) in weight. [7] Females grow considerably larger than males, but otherwise the sexes are similar. [5] It is the largest scaled freshwater fish in the Río de la Plata Basin (the only fish that can surpass it in size are certain river stingrays and catfish; both scaleless). [5]
Peacock bass or Brazilian tucunaré are large freshwater cichlids of the genus Cichla. [3][4] These are diurnal predatory fishes native to the Amazon and Orinoco basins, as well as rivers of the Guianas, in tropical South America. [2] They are sometimes referred to in English by their Brazilian name tucunaré or their Spanish name pavon. [4]
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