Objective: The present study was aimed to investigate sea lice infestation including morphometric, molecular identification, disease prevalence and pathological tissue alterations in wild Sea bass (Morone Labrax) naturally collected from Ezbet Elborg, Damietta province, Egypt from October 2018 to end of August 2019.Design: Descriptive study Fish: 120 wild seabass (Morone Labrax) Procedures: The co...