Ranjbar, Hamid RezaKhoramıan, Saeed2025-01-062025-01-0620192618-638110.4194/2618-6381-v19_1_08https://doi.org/10.4194/2618-6381-v19_1_08https://search.trdizin.gov.tr/tr/yayin/detay/359405https://hdl.handle.net/20.500.14669/800A study was conducted to determine the cause of mortalities in juvenile sobaityseabream, Sparidentex hasta (Valenciennes, 1830) cultured in a commercial fish farmhatchery located at Suza, southeast of Qeshm (Iran). Anorexia, anoxia, and excessmucous secretion were the main sympotoms observed in moribund fishes.Microscopic examination of the gill filaments revealed the presence of the trophontsof the causative agent, Amyloodinium ocellatum (E. Brown) E. Brown & Hovasse, 1946.This is the first report of A. ocellatum infestation in sobaity seabream cultured atmarine fish hatcheries in Iran.eninfo:eu-repo/semantics/openAccessOther8017735940519