Dietary protein requirement of sharpsnout sea bream (Diplodus puntazzo, Cetti 1777) juveniles

► Protein requirement estimated to be 43% (protein intake of 7.68 g kg ABW− 1 day− 1). ► Protein requirement for maintenance estimated to be 0.71 g kg ABW− 1 day− 1. ► Increasing of dietary lipid level improved protein utilization efficiency.