V.parahaemolyticus was identified in 70(17.5%) of the 400 samples, and the toxR gene was confirmed in 64 (91.4%) of these isolates. Most of the isolates were recovered from clams (31 isolates; 48.4% prevalence) followed by mussels (17 isolates; 26.6% prevalence). More V.parahaemolyticus-positive samples were found between may and september (22.7% prevalence) than between october and april (11.4% prevalence). Antibiotic profiling revealed that most isolates were resistant to ampicillin (56 isolates; 87.5%) and to streptomycin (45 isolates;70.3%), but all of them were susceptible to tetracycline and chloramphenicol.