Survey on Some Helminthes Parasites of Synodontis schall (Bloch and Schneider, 1801) at Blue Nile River , South-East of Khartoum, Sudan

Abstract

This survey was conducted during the period at April,2018 and terminated in March, 2019, on the one main Fisheries sites in the Al Masid area on the Blue Nile 60 km of South-East of Khartoum town. The study focused on the genus Synodontis schall from Catfish family Mochokidae the survey covered some endoparasite of the fresh water fishes in the Sudan 250 specimen were examined the study found 83 fish in number were infected with Prevalence 33%,the total of non-infected 147 specimen with Prevalence rate 58%. Seven of endoparasite species isolated from the visceral organs of Synodontis schall 71 in number from the stomach with Prevalence 28.1% 15 in number from the gills with Prevalence 5.9% and 7 in number from the intestine with Prevalance 2.8% the endoparasite were isolated two species of nematodes identified spirocammllanu and Spinitectus infected 83 number of Synodontis schall with Prevalance 58.1%, two species of trematodes identified clinostomum and phagicola infected only one from the total of fish numbers with Prevalence 0.4%, two species of curstean isolated from two fish with Prevalance rate 0.8% identified as Argulus and lrenae cyprinceae and one species of acanthocephalan larvae according to the sex the survey observed 142 male and 111 female were infected with Prevalence 56%, 43.9 respectively. Keywords: Synodntis schall, Helminthes Parasites, Blue Nile River