Light and Scanning Electron Microscopic Studies on Caligus spp. in Mugilid fish

Abstract

: This study was conducted on 224 marine fish belong muglid species namely; Mugil cephalus , M. capitus, and M. seheli randomly collected from fish farms during the year 2015 in Damietta Governorate, Egypt. Most of the clinical signs of these fishes were recorded. The clinical examination revealed hemorrhagic spots in the areas of the head, abdomen, tail, around the mouth, and anus. Some of fishes showed paleness in gills and showed a mosaic appearance on the gills. The percentage of Caligus sp. was recorded in M. cephalus (7.94%) , (11.65%) in M. capitus and (0%) in M. seheli . Seasonal prevalence and Light and Scanning Electron Microscopic identification have been carried out.