[2] It inhabits marine, brackish and freshwaters in Brazil, Guyana, French Guiana, Colombia, Suriname, Venezuela, and Trinidad and Tobago.

[4] The diet of the pemecou sea catfish consists of annelid worms and benthic crustaceans.

[6] The species is currently ranked as Least Concern by the IUCN redlist, although it notes that its frequency in mangrove channels could potentially place it at risk of habitat loss.

It also notes that the species has become of greater interest for artisanal fishing in northern Brazil.

[4] Although the patronym was not identified, it is most probably in honor of Count Ewald Friedrich von Herzberg (also spelled Hertzberg, 1725-1795), a Prussian who was one of Bloch’s sponsors.