mitrei, Myletes Berg [C.] 1895:149 [Anales del Museo Nacional de Historia Natural de Buenos Aires v. 4; ref. 14575] Río Paraná, San Pedro, Argentina. Syntypes: BMNH 1928.1.25.6-7 [ex MACN] (2); MACN 4911 (1), 5690 (1); MHNM. Type catalog: Braga & Piacentino 1994:103 [ref. 23697], Loureiro et al. 2016:412 [ref. 35150]. •Synonym of Piaractus mesopotamicus (Holmberg 1887) -- (Britski et al. 1999:62 [ref. 24147], Fuller et al. 1999:189 [ref. 25838] as metrei, Jégu in Reis et al. 2003:188 [ref. 27061], López et al. 2003:34 [ref. 27366], Litz & Koerber 2014:9 [ref. 33622], Mirande & Koerber 2015:15 [ref. 35117], Koerber et al. 2017:23 [ref. 35267], Ota et al. 2024:419 [ref. 40817]). Current status: Synonym of Piaractus mesopotamicus (Holmberg 1887). Serrasalmidae: Colossomatinae. Habitat: freshwater.