mishky, Imparfinis Almirón [A. E.], Casciotta [J. R.], Bechara [J. A.], Ruíz Díaz [F. J.], Bruno [C.], d'Ambrosio [S.], Solimano [P.] & Soneira [P.] 2007:818, Figs. 1-2 [Revue Suisse de Zoologie v. 114 (no. 4); ref. 29443] Esteros del Iberá, río Corriente, Capitá Miní, 28°53'15.3"S, 58°22'02.7"W, Río Paraná basin, Argentina. Holotype: MACN-ict 8973. Paratypes: Al 208 (1), 209 (1), 210 (17, 1 c&s); MHNG 2690.001 (2); MLP 10467 [ex Al 207] (3). Type catalog: Nadalin & López 2015:8 [ref. 34112]. •Valid as Imparfinis mishky Almirón, Casciotta, Bechara, Ruíz Díaz, Bruno, d'Ambrosio, Solimano & Soneira 2007 -- (Koerber 2011:6 [ref. 31122], Ortega-Lara et al. 2011:778 [ref. 31716], Koerber 2014:7 [ref. 33621], Koerber & Litz 2014:3 [ref. 34967], Mirande & Koerber 2015:34 [ref. 35117], Bertaco et al. 2016:417 [ref. 34561], Koerber & Litz 2016:4 [ref. 35098], Nión et al. 2016:33 [ref. 35565] dated 1995, Koerber et al. 2020:7 [ref. 37480], Koerber et al. 2021:8 [ref. 38894], Koerber et al. 2023:8 [ref. 40355], Loureiro et al. 2023:130 [ref. 40506] as Imparfinnis mishky). Current status: Valid as Imparfinis mishky Almirón, Casciotta, Bechara, Ruíz Díaz, Bruno, d'Ambrosio, Solimano et al. 2007. Heptapteridae: Heptapterinae. Distribution: South America: Paraná River and Uruguay River basins (Argentina and Uruguay). Habitat: freshwater.