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2. Red-bellied piranha - Wikipedia

   en.wikipedia.org/wiki/Red-bellied_piranha

   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]

3. Piranha - Wikipedia

   en.wikipedia.org/wiki/Piranha

   In a review where 38–39 piranha species were recognized, 25 were from the Amazon and 16 from Orinoco, while only three were present in Paraguay–Paraná and two in São Francisco. [9] Most species are restricted to a single river system, but some (such as the red-bellied piranha) occur in several.

4. Pygocentrus - Wikipedia

   en.wikipedia.org/wiki/Pygocentrus

   Pygocentrus cariba (Humboldt, 1821) (black spot piranha) – Orinoco river basin. Pygocentrus nattereri Kner, 1858 (red piranha, red-bellied piranha) – Amazon, Paraguay-Paraná-Uruguay, and Essequibo river basins, as well as various river in northeastern Brazil. Pygocentrus palometa Valenciennes, 1850 – Orinoco river basin, possibly a nomen ...

5. Piaractus brachypomus - Wikipedia

   en.wikipedia.org/wiki/Piaractus_brachypomus

   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]

6. Pacu - Wikipedia

   en.wikipedia.org/wiki/Pacu

   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 ...

7. Amazon basin - Wikipedia

   en.wikipedia.org/wiki/Amazon_basin

   Red-bellied piranha (Pygocentrus nattereri) is a species of piranha. This species lives in the Amazon River basin, coastal rivers of northeastern Brazil, and the basins of the Paraguay, Paraná and Essequibo Rivers. About 2,500 fish species are known from the Amazon basin and it is estimated that more than 1,000 additional undescribed species ...