caucanus, Tetragonopterus Steindachner [F.] 1879:189 [71] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 80 (nos 1-2); ref. 4229] Río Cauca, Colombia. Syntypes: (several) NMW 57372-76 (2, 3, 2, 2, 2); SMNS 2833 (2); ZMUC 993 (1). Type catalog: Nielsen 1974:46 [ref. 9588], Fricke 1995:8 [ref. 28100], Fricke 2005:26 [ref. 29864] dated 1880. •Valid as Astyanax caucanus (Steindachner 1879) -- (Buckup in Reis et al. 2003:108 [ref. 27061], Ruiz-C. et al. 2011:49 [ref. 31365], DoNascimiento et al. 2017:60 [ref. 35633]). Current status: Valid as Astyanax caucanus (Steindachner 1879). Acestrorhamphidae: Acestrorhamphinae. Distribution: Ría Cauca, Colombia. Habitat: freshwater.