otuquensis, Metynnis Ahl [E.] 1923:26 [Mitteilungen aus dem Zoologischen Museum in Berlin v. 11 (no. 1); ref. 19929] Bahia Negra, Río Otuquis, Bolivia or Paraguay. Holotype: ZMB 16980 (larger of 2). Paratype: ZMB 32499 [ex 16980] (1) smaller of two specimens; plus IU ? (1) cited in description [not at CAS]. Types mentioned: Paepke 1995:92 [ref. 21847]. •Valid as Metynnis otuquensis Ahl 1923 -- (Zarske & Géry 1999:204 [ref. 23984], Jégu in Reis et al. 2003:185 [ref. 27061], López et al. 2003:33 [ref. 27366], Menni 2004:78 [ref. 28131], Pavanelli et al. 2009:141 [ref. 30246], Sarmiento et al. 2014:89, 187 [ref. 35004], Mirande & Koerber 2015:15 [ref. 35117], Ota et al. 2016:11 [ref. 35002], Koerber et al. 2017:22 [ref. 35267], Ota et al. 2024:409 [ref. 40817]). Current status: Valid as Metynnis otuquensis Ahl 1923. Serrasalmidae: Serrasalminae. Distribution: South America: Paraguay and Paraná River basins, Argentina, Bolivia, Brazil and Paraguay. Habitat: freshwater.