The Guinean sea catfish (Carlarius parkii), also known as the Marine catfish, is a species of sea catfish in the family Ariidae. It was described by Albert Günther in 1864, originally under the genus Arius. It is a tropical fish which is found in Mauritania, Angola, Morocco and the Spanish Sahara. It inhabits coastal marine waters at a depth range of 50 to 80 m (160 to 260 ft), also frequently entering estuaries and freshwater rivers. It reaches a maximum total length of 70 cm (28 in), more commonly reaching a TL of 40 cm (16 in). Male Guinean sea catfish orally incubate eggs.