This study investigated the interactions between cymothoids parasitism, environmental stressors, and heavy metal bioaccumulation in commercially farmed fish in the Deeba Triangle area, Egypt. Over 600 fish, comprising gilthead seabream ( Sparus aurata ) and two mullet species ( Mugil cephalus and Liza ramada ), were examined during spring and summer 2023. Seasonal variations in cymothoids parasite infestation showed higher pre...