ternetzi, Serrasalmo (Pygocentrus) Steindachner [F.] 1908:359 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Klasse v. 45 (no. 18) (for 9 July 1908); ref. 18800] Rio Paraguay at Descalvados, Mato Grosso, Brazil. Holotype (unique): NMW (lost). •Valid as Serrasalmus ternetzi Steindachner 1908 -- (Gómez & Chebez 1996:51 [ref. 23791]). •Synonym of Pygocentrus nattereri Kner 1858 -- (Fink 1993:680 [ref. 20937], Fink & Zelditch 1997:179 [ref. 22686], Britski et al. 1999:62 [ref. 24147], Jégu in Reis et al. 2003:189 [ref. 27061], López et al. 2003:32 [ref. 27366], Litz & Koerber 2014:10 [ref. 33622], Mirande & Koerber 2015:16 [ref. 35117], Koerber et al. 2017:23 [ref. 35267], Ota et al. 2024:420 [ref. 40817]). Current status: Synonym of Pygocentrus nattereri Kner 1858. Serrasalmidae: Serrasalminae. Habitat: freshwater.