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The red-bellied piranha, also known as the red piranha (Pygocentrus nattereri), is a type of piranha native to South America, found in the Amazon, Paraguay, Paraná and Essequibo basins, as well as coastal rivers of northeastern Brazil. [2] [3] This fish is locally abundant in its freshwater habitat. [4]
Red-bellied pacu: Colossoma bidens: 120 cm (47 in) 78–82 °F (26–28 °C) Red piranha: Pygocentrus nattereri: 33 cm (13 in) Redeye piranha, black piranha: Serrasalmus rhombeus: 41.5 cm (16.3 in) Wimple piranha: Catoprion mento: 15 cm (5.9 in) Mylossoma aureum: 30 cm (12 in) Disk tetra: Myleus schomburgkii: 40 cm (16 in) 23 °C to 27 °C 5.0 ...
Pacu (Portuguese pronunciation:) is a common name used to refer to several species of omnivorous South American freshwater serrasalmid fish related to piranhas.Pacu and piranha do not have similar teeth, the main difference being jaw alignment; piranha have pointed, razor-sharp teeth in a pronounced underbite, whereas pacu have squarer, straighter teeth and a less severe underbite, or a slight ...
Pygocentrus is a genus of the piranha family Serrasalmidae. All species are native to tropical and subtropical South America. All the species are predatory, scavengers and may form large schools. The famous red-bellied piranha, Pygocentrus nattereri, is one of four species in the genus. [1]
Skull from side and above. Piaractus brachypomus can reach up to 88 cm (2.9 ft) in length and 25 kg (55 lb) in weight. [2]Juveniles have a distinct red chest and stomach, and are easily confused with the carnivorous red-bellied piranha (Pygocentrus nattereri), but the two can be separated by their teeth, which are molar-like in Piaractus brachypomus. [1]
In many cases, however, reported captures of piranhas are misidentifications of pacu (e.g., red-bellied pacu or Piaractus brachypomus is frequently misidentified as red-bellied piranha or Pygocentrus nattereri). [11] Piranhas have also been discovered in the Kaptai Lake in southeast Bangladesh. Research is being carried out to establish how ...
The red-bellied piranha, a member of the family Serrasalmidae within the Characiformes, is endemic to the Neotropical realm. At least 209 species of characins are found in Africa, including the distichodontids , citharinids , alestids , and hepsetids .
The presence of fish predators play a large role in the size, shape and swimming performance of the Lithobates clamitans tadpoles. The presence of these predators in their habitat causes the tadpoles to develop small bodies and large tail muscles in order to escape from their predators quicker and more efficiently.