australis, Amiurus Meek [S. E.] 1904:13 [Field Columbian Museum, Zoölogical Series v. 5; ref. 2958] Río Forlón, Forlón, Rio Panuco drainage, Tamaulipas, Mexico. Holotype (unique): FMNH 4474. Type catalog: Ibarra & Stewart 1987:7 [ref. 12367], Gilbert 1998:208 [ref. 23395], Ferraris 2007:208 [ref. 29155]. •Synonym of Ictalurus mexicanus (Meek 1904) -- (Pérez-Rodríguez et al. 2023:12 [ref. 40420]). •Valid as Ictalurus australis (Meek 1904) -- (Espinosa Pérez et al. 1993:26 [ref. 22290], Gilbert 1998:208 [ref. 23395], Nelson et al. 2004:81 [ref. 27807], Scharpf 2006:15 [ref. 30386], Ferraris 2007:208 [ref. 29155], Page et al. 2013:83 [ref. 32708], Page et al. 2023:79 [ref. 40505]). Current status: Valid as Ictalurus australis (Meek 1904). Ictaluridae. Distribution: Southern North America: Blanco to Panuco rivers (eastern Mexico). IUCN (2019): Data Deficient. Habitat: freshwater.