Microsporidian sp. protozoa parasite of the Trypauchen vagina, Goobiidae fishes in Iraqi marine water, Arabian Gulf

الملخص EN

On the survey of the parasitic protozoa of Iraqi marine fishes, five fish species (Sillago sihama ; Liza subviridus ; Saurida undosquamus ; Synaptura orentals and Trypauchen vagina) were collected and examined.

One of 82 Trypauchen vagina (Bloch and Schneider, 1801) Goobiidae (1.219 %) fish was being found naturally infected with Microsporidian cysts, as a mass embedded in the Internal and external skeletal muscles and gill, the logical explanation for this situation is the high intensity of infection, the infection noted during the winter season and appeared as whitish cylinders’ cyst tumor-like masses up to 2-4 cm in diameter, spores were elongated and measured (1.5–1.9 μm) × (1.2-2.0μm).

Fish was suffering a pathologic observation, extensive damage tissue, including epithelial necrosis, encapsulation, and the presence of spores encysted and adult in skeletal muscles of fishes causing lesions including mild hyperplasia of fibrous connective tissue around the parasite.

The current study targeted the protozoan parasites in the Iraqi marine waters for several reasons, including a lack of sufficient information in the region is available for this type of parasites