The reduction of fish meal in aquaculture feeds is a priority goal for the further expansion and sustainability of the farmed fish production. Some encouraging results, also in carnivorous species as salmonids, are obtained by partial and even total replacement of dietary fish meal protein with plant protein (Kaushik et al., 1995). However, the consequences of the protein source on the infra vitam fish performances and on quality traits of the final product are little investigated. The objective of this work was to evaluate the effects of total replacement of animal protein...