The goat catfish (Arius sumatranus), also called the marine catfish,Common names of Arius sumatranus at fishbase.org. is a species of sea catfish in the family Ariidae. Although the author of the species is uncertain, its description has been attributed to Edward Turner Bennett, in 1830.Anonymous [Bennett], E. T. 1830 [ref. 259] Class Pisces. Pp. 686-694. In: Memoir of the life and public services of Sir Thomas Stamford Raffles.... By his Widow [Lady Stamford Raffles]. John Murray, London. 701 pp. It was originally assigned to the genus Bagrus. It inhabits tropical marine and brackish waters in the Indo-western Pacific region, including eastern Thailand, the Philippines, Pakistan and Indonesia. It reaches a maximum total length of , more commonly reaching a TL of .
The diet of the goat catfish consists of benthic invertebrates.Food items reported for Arius sumatranus at fishbase.org. It is of commercial interest to fisheries, and is usually marketed fresh.
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