Amphiarius phrygiatus (Valenciennes, 1840)
Arius phrygiatus ZBK Valenciennes in Cuvier & Valenciennes, 1840b: 79. Type locality: Surinam. Holotype: RMNH 3308.
Distribution: North and eastern South America.
Countries: Venezuela, Guyana, Surinam, French Guiana and Brazil.
Habitat: brackish and fresh waters.
Maximum size: 300 mm TL.
Material examined: USNM 233474 (4 al, 219-338 mm TL) (1 c&s), Venezuela, terr. fed. delta Amacuro, Orinoco River, deep river channel, brazo imataca near Curiapo, 60 naut. mi. upstream from sea buoy.