[4] It inhabits tropical marine, brackish and freshwater on the Atlantic coast of South America, ranging from Guyana to Brazil.

[3] The diet of the Bressou sea catfish consists of benthic invertebrates.

[5] It is preyed on by the Gillbacker sea catfish (listed as Arius parkeri on FishBase) and the Crucifix sea catfish (listed as Hexanematichthys proops).

[6] It is of minor commercial interest to fisheries; it is sold fresh in markets within its region, and exported frozen.

[3] The Bressou sea catfish spawns between the months of September–November.