Benedenia sp. Infestation Along with Motile Aeromonas Septicemia in Common Stingray (Dasyatis pastinaca Linnaeus, 1758)
Benedenia sp. Infestation Along with Motile Aeromonas Septicemia in Common Stingray (Dasyatis pastinaca Linnaeus, 1758)
Objective: The aim of this study was to determine the cause of mortalities occurring in common stingray (Dasyatis pastinaca)individuals held in a public aquarium.Materials and Methods: Moribund common stingrays (approx. 1 m in length and 2 kg in weight) that had previously beencaught by trawling and placed in the quarantine tanks in a public aquarium were examined to determine the cause ofmortalities.Results: The affected common stingrays had haemorrhages on the ventral side of the body. Internally, the liver was pale andpseudotubercules were observed in the spleen. In the examined specimens, monogenean parasites were observed in blisterson the skin of the dorsal side of the body. According to their morphological, physiological and biochemical characteristicsas well as gene sequence analysis, the parasites were identified as Benedenia sp., and the bacterial isolates were identified asAeromonas hydrophila.Conclusion: In this study, Benedenia sp. is reported initially, along with motile Aeromonas septicemia in common stingray.
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