The Rough-head sea catfish (Arius latiscutatus), also known as the Marine catfish is a species of sea catfish in the family Ariidae. It was described by Albert Günther in 1864. It inhabits tropical marine and brackish waters in the eastern Atlantic region, including Angola, Senegal, and Bioko. It dwells at a depth range of 0 to 70 m (0 to 230 ft), most often between 0 to 30 m (0 to 98 ft). It reaches a maximum total length of 85 cm (33 in), but more commonly reaches a TL of 40 cm (16 in). The rough-head sea catfish is of commercial interest to fisheries.