nodosus, Silurus Bloch [M. E.] 1794:35, Pl. 368 (fig. 1) [Naturgeschichte der ausländischen Fische v. 8; ref. 463] Tranquebar [Tharangambadi], India [actual is South America]. Lectotype: ZMB 3097. Paralectotypes: ZMB ?3096 (1, not found). Type catalog: Paepke 1999:47 [ref. 24282], Ferraris 2007:76 [ref. 29155]. On p. 26 of Bloch's Ichthyologie, v. 11 [ref. 21381]. Lectotype selected by Paepke 1999:47 [ref. 24282]. •Valid as Pseudauchenipterus nodosus (Bloch 1794) -- (Mees 1986:313 [ref. 5693], Burgess 1989:241 [ref. 12860], Cervigón 1992:264 [ref. 23827], Le Bail et al. 2000:62 [ref. 24549], Camargo & Isaac 2001:145 [ref. 27639], Ferraris 2003:853 [ref. 26999], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155], Phillip et al. 2013:17 [ref. 32896], Marceniuk et al. 2017:39 [ref. 35324], Calegari et al. 2019:[92] [ref. 36961], Koerber et al. 2022:57 [ref. 39235], Lasso & Lasso-Alcalá in Lasso & Morales-Betancourt 2022:142 [ref. 40783], Taphorn et al. 2022:43 [ref. 41297], Gurgel-Lourenço et al. 2023:75 [ref. 41056], Limeira-Filho et al. 2024:7 [ref. 41573]). Current status: Valid as Pseudauchenipterus nodosus (Bloch 1794). Auchenipteridae: Auchenipterinae. Distribution: South America: lower reaches of rivers and in estuaries (Brazil, French Guiana, Guyana, Suriname, Trinidad and Tobago, and Venezuela). IUCN (2023): Least Concern. Habitat: freshwater, brackish.