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Pygocentrus nattereri Redbelly piranha

Pygocentrus nattereri is found in South America. Pygocentrus nattereri can be found east of the Andes in the Parana-Paraguay and Amazon basin. They can also be found in rivers of northeast Brazil and the Guianas. Pygocentrus nattereri is typically found in whitewater streams in South America (Saint-Paul 2000). However, the species is not found typically in blackwater streams (Fink 1993) Pygocentrus nattereri physical characteristics vary with location, population, and age. In juvenile P. nattereri there are

Vandellia cirrhosa Candiru

Brachyplatystoma vaillanti, Pseudoplatystoma sp.) and characins (Piaractus brachypomus, Pygocentrus nattereri, Salminus maxillosus, Colossoma macropomum, Brycon spp.) are also known to be hosts for candiru. Colossoma macropomum have been observed to exhibit defense mechanisms against candiru attacks, such as tightening their operculum and using their fins to sweep the parasites away. Although there are no reports of candiru predators, it is very likely that larger carnivorous fish may feed on them. Candiru

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Classification

Pygocentrus

Pygocentrus cariba Black spot piranha; Orinoco piranha

Pygocentrus nattereri Redbelly piranha

Pygocentrus palometa

Pygocentrus piraya Blacktail piranha