In the present study,a total of 50 individuals ofsurmulletMullussurmuletuswere examined forexoparasites infections. The specimens were collected from the Syrian marine waters (Latakia, Jablah) between 15/10/2014 and 30/10/2015. The skin, mouth cavity, nostrils and gills of each specimen were examined. One parasite species belonging to Monogenea,Grubea cochlear was identified for the first time in the Syrian marine waters and in Mediterranean Sea. This species, memberof the family Mazocraeidae,was isolated from the gills. The number of infected fish was 20 fish out of 50 sampled fish; withprevalence of 40% and Intensity of 5 parasite/ Fish.