The diet composition and feeding habits of Zapteryx brevirostris were studied through stomach contents analysis. 158 specimens were collected from 7 research cruises carried out by Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP, Argentina)between 2001 to 2004, in the Buenos Aires Province (Argentina) and Uruguay coasts (34°-41° S), until 50 m depth. Of the total stomach analysis, 81percentage contained food. According to the alimentary index expressed as a percentage (IA percentage ), indicated that polychaetes, decapods and lancelets were more consumed prey, representing 44.37percentage , 19.94 percentage and 17.36 percentage of the diet, respectively. The amphipods (8.74 percentage ), cumaceans (4.11percentage ) and isopods (3.29... |