The diet of the Bressou sea catfish consists of benthic invertebrates.Food items reported for Aspistor quadriscutis fishbase.org. It is preyed on by the Gillbacker sea catfish (listed as Arius parkeri on FishBase) and the Crucifix sea catfish (listed as Hexanematichthys proops).Organisms preying on Aspistor quadriscutis at fishbase.org. It is of minor commercial interest to fisheries; it is sold fresh in markets within its region, and exported frozen.
