Protein deficiency is one of the major problems facing world today. Nowadays, fish considered as the main important and favorite source of animal protein for human consumption. In Egypt, the continuous increase in human population requires more food production to meet their demand. Fish is a commodity of potential public health concern as it could contaminated with a wide range of environmentally persistent chemicals, including heavy metals and parasitism. No doubt, that fish harbor a wide range of ecto- and endo-parasites infecting the alimentary canal, liver, kidney, reproductive organs,...