couma, Bagrus Valenciennes [A.] in Cuvier & Valenciennes 1840:459 [Histoire naturelle des poissons v. 14; ref. 4882] Cayenne, French Guiana. Syntypes: MNHN A-9338 (1, dry) Cayenne, A-9339 (1, dry) America. Type catalog: Bertin & Estève 1950:13 [ref. 19575], Ferraris 2007:53 [ref. 29155]. •Valid as Arius couma (Valenciennes 1840) -- (Burgess 1989:168 [ref. 12860], Cervigón 1991:133 [ref. 24472], Cervigón 1992:256 [ref. 23827], Le Bail et al. 2000:12 [ref. 24549], Marín 2000:68 [ref. 26252], Camargo & Isaac 2001:145 [ref. 27639]). •Valid as Selenaspis couma (Valenciennes 1840) -- (Acero P. 2003:850 [ref. 26998]). •Valid as Hexanematichthys couma (Valenciennes 1840) -- (Marceniuk & Ferraris in Reis et al. 2003:451 [ref. 27061], Marceniuk & Menezes in Menezes et al. 2003:42 [ref. 27192]). •Valid as Sciades couma (Valenciennes 1840) -- (Kailola 2004:143 [ref. 28108], Marceniuk 2005:98 [ref. 28718], Marceniuk & Menezes 2007:104 [ref. 29031], Ferraris 2007:53 [ref. 29155], Betancur-R. et al. 2007:347 [ref. 29268], Marceniuk et al. 2012:668 [ref. 32225], Marceniuk in Marceniuk et al. 2021:170 [ref. 38945], Koerber et al. 2023:7 [ref. 40665], Marceniuk et al. 2023:21 [ref. 40422], Limeira-Filho et al. 2024:6 [ref. 41573], Lutz et al. 2024:8 [ref. 41548]). Current status: Valid as Sciades couma (Valenciennes 1840). Ariidae: Ariinae. Distribution: Western Atlantic: Gulf of Paria to mouth of Amazon River (Brazil, Colombia, French Guiana, Guyana, Suriname and Venezuela) (predominately in brackish water). IUCN (2010): Least Concern. Habitat: freshwater, brackish, marine.