This study aimed at evaluating mineral elements content in two reared species of marine fish. Flesh samples of shi drum (Umbrina cirrosa) from ponds and off-shore European sea bass (Dicentrarchus labrax) were analysed by PIXE (Particle Induced X-Ray Emission) technique. Regarding both species, results showed a high nutritional value and a large variation intra-species probably due to genetic differences. theamount of heavy metals (Pb and Hg <0.1 ppm9 and metalloids (As <1 ppm) were lower than those detected in the same wild fish species. Thus, environmental and feeding condition did not affect food security
