A general survey on the helminth parasites of some elasmobranchs from the Egyptian coastal waters of the Mediterranean and the Red Sea


Saoud, M.F.A.; Hassan, S.H.

Bulletin of the Faculty of Science, King Abdul Aziz University, Jeddah 7: 70-81

1983


Of 1151 elasmobranch fish from the Mediterranean and Red Sea coasts of Egypt, 289 had cestodes only, 38 had nematodes only and 83 had both. No trematodes were found. Of 7 fish species examined, helminths were found in 5, i.e. Taeniura lymma (67% infected), Dasyatis sephen (46%), Rhinobatus granulatus (40%), D. uarnak (38%) and Raja circularis (32%). No helminths were found in 112 Aetobatus narinasi or in 96 Torpedo panthera. Prevalence rates are listed for the 7 cestode genera present.