Nisreen Ezz eldien
Cairo University, Egypt
Title: The cymothoidae (crustacea, isopoda), parasites inducing pathological lesions in two commercially important fishes from qarun lake, Egypt
Biography
Biography: Nisreen Ezz eldien
Abstract
A total of 100 fish samples belonging to Solea vulgaris (50) and Tilapia zilli (50) were collected during summer 2015 from Qarun lake, Fayoum province, Egypt and were investigated for the parasitic isopods infection. Results revealed total prevalence of 18% with two isopod species .The detected isopods were identified as Nerocila orbignyi from the skin of Solea vulgaris with a rate of 22% and Renocila thresherorum from the buccal cavity of Tilapia zilli with an infestation rate of 14% Results obtained revealed severe pathological lesions in the infested fishes at the site of parasites attachment. In Tilapia zilli, the buccal mucosa was inflamed together with prominent focal hyperplastic proliferation of the epithelium. In Solea vulgaris fishes where the parasites were detected on the skin, the lesions characterized by myositis accompanied with myolysis and myophagia at the site of parasites attachment with remnants of the parasite between the necrotic myofibers.