proops, Bagrus Valenciennes [A.] in Cuvier & Valenciennes 1840:457 [Histoire naturelle des poissons v. 14; ref. 4882] Guianas; Puerto Rico. Syntypes: MNHN A-9331 to 9333 (1, 1, 1, dry) Puerto Rico, B-0245 (1) Cayenne, B-0618 (2) Cayenne. Type catalog: Bertin & Estève 1950:11 [ref. 19575], Ferraris 2007:54 [ref. 29155]. •Valid as Arius proops (Valenciennes 1840) -- (Burgess 1989:169 [ref. 12860], Cervigón 1991:138 [ref. 24472], Cervigón 1992:258 [ref. 23827], Aguilera 1998:47 [ref. 24221], Le Bail et al. 2000:24 [ref. 24549], Camargo & Isaac 2001:145 [ref. 27639], Acero P. & Betancur-R. 2002:10 [ref. 26521], Acero P. 2003:844 [ref. 26998]). •Valid as Hexanematichthys proops (Valenciennes 1840) -- (Marceniuk & Ferraris in Reis et al. 2003:452 [ref. 27061], Marceniuk & Menezes in Menezes et al. 2003:42 [ref. 27192]). •Valid as Sciades proops (Valenciennes 1840) -- (Kailola 2004:143 [ref. 28108], Marceniuk 2005:99 [ref. 28718], Marceniuk & Menezes 2007:109 [ref. 29031], Ferraris 2007:54 [ref. 29155], Betancur-R. et al. 2007:347 [ref. 29268], Betancur-R. 2008:827 [ref. 29950], Marceniuk et al. 2012:668 [ref. 32225], Marceniuk et al. 2017:39 [ref. 35324], Marceniuk in Marceniuk et al. 2021:174 [ref. 38945], Marceniuk et al. 2023:21 [ref. 40422], Lutz et al. 2024:8 [ref. 41548]). Current status: Valid as Sciades proops (Valenciennes 1840). Ariidae: Ariinae. Distribution: South America: Atlantic drainages from Colombia to Brazil (Brazil, Colombia, French Guiana, Guyana, Puerto Rico, Suriname and Venezuela). Habitat: freshwater, brackish, marine.