The first step; is to assess the effect of size variation and the effect of spatial variation within the shrimp (head and tail) with respect to the temperature profile. The second step; is to evaluate the effect of the ohmic heating process variables (electric field strength and salt concen- tration) on the process time and quality of shrimps (weight loss and texture). Finally, the third step; is to evaluate the effect of pre- processing (maturation step) on the process time and quality of shrimps (weight loss, press juice and texture) when processing with the ohmic heating.