The Rough-head sea catfish (Carlarius latiscutatus), also known as the marine catfish,[1] 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, most often between . It reaches a maximum total length of, but more commonly reaches a TL of .
The rough-head sea catfish is of commercial interest to fisheries.