Seasonality and prevalence of Microsporidium sp. infecting lizard fish, Saurida undosquamis from the Arab Gulf

During the present study seasonal prevalence of Microsporidium sp. infecting lizard fish, Saurida undosquamis were reported. Infection was reported as whitish cysts in the skeletal muscles. The mature spores were ovoid to pyriform with large vacuole at their ends. Sixty out of 200 fish were infected (30%). The highest infection was in autumn (64%) while the lowest one was in winter (14%) and no great difference was found between summer (24%) and spring (18%).