Sciades couma (Valenciennes, 1840)

Bagrus couma ^ZBK Valenciennes in Cuvier & Valenciennes, 1840a: 459. Type locality: Cayenne, French Guiana. Syntypes: MNHN A-9338, Cayenne; A-9339, America .

Sciadeichthys (Selenaspis) walrechti ^ZBK Boeseman, 1954: 60. pl. 3. Type-locality: Surinam. Holotype: RMNH 2141. Paratypes: RMNH 19808-09.

Distribution: North and Eastern South America.

Countries: Venezuela, Guyana, Surinam, French Guiana and Brazil.

Habitat: Predominantly brackish waters.

Maximum size: 960 mm TL.

Material examined: CAS 122460 (6 al, 202-232 mm TL) (1 c&s), Brazil, Pará; FMNH 98033 (5 al, 202- 329 mm TL), Guyana, Georgetown market .