Fig.7. Mylesinus schomburgkii
Fig.8. Pygocentrus nattereri = red-bellied piranha (Pygocentrus nattereri)
Date 11 October 1860, 14:13:02
Source https://www.biodiversitylibrary.org/item/176825#page/113/mode/1up
Author Rudolf Kner (1810-1869 )
Source: https://commons.wikimedia.org/wiki/File:Mylesinus_Schomburgkii_Pygocentrus_nattereri.jpg

Fig.7. Mylesinus schomburgkii
Mylesinus schomburgkii es una especie de peces de la familia Characidae en el orden de los Characiformes. They are found in South America: basins of the Essequibo and Orinoco rivers.


Fig.8. Pygocentrus nattereri = red-bellied piranha (Pygocentrus nattereri)
The red-bellied piranha, also known as the red piranha (Pygocentrus nattereri), is a species of piranha native to South America, found in the Amazon, Paraguay, Paraná and Essequibo basins, as well as coastal rivers of northeastern Brazil.