filamentosus, Aspredo Valenciennes [A.] in Cuvier & Valenciennes 1840:437, Pl. 450 [Histoire naturelle des poissons v. 15; ref. 1008] Cayenne, French Guiana. Syntypes: MNHN 0000-4401 (4), B-0594 (2). Type catalog: Bertin & Estève 1950:77 [ref. 19575], Ferraris 2007:57 [ref. 29155]. •Valid as Aspredinichthys filamentosus (Valenciennes 1840) -- (Mees 1987:190 [ref. 11510], Burgess 1989:304 [ref. 12860], Cervigón 1992:261 [ref. 23827], Le Bail et al. 2000:154 [ref. 24549], Camargo & Isaac 2001:145 [ref. 27639], Ferraris 2003:862 [ref. 26999], Friel in Reis et al. 2003:262 [ref. 27061], Ferraris 2007:57 [ref. 29155], Phillip et al. 2013:17 [ref. 32896], Marceniuk et al. 2017:39 [ref. 35324], Lasso & Lasso-Alcalá in Lasso & Morales-Betancourt 2022:128 [ref. 40783], Taphorn et al. 2022:42 [ref. 41297], Carvalho-Filho 2023:74 [ref. 40480]). Current status: Valid as Aspredinichthys filamentosus (Valenciennes 1840). Aspredinidae: Aspredininae. Distribution: South America: lower portions of coastal rivers and coastal waters of Venezuela and northern Brazil (Brazil, French Guiana, Guyana, Suriname, Trinidad and Tobago, and Venezuela). Habitat: freshwater, brackish.