A survey on Gastrointestinal Helminths of Cynogossus bilineatus Caught from the Coasts of Bandar Abbas

Subject Areas : Journal of Animal Biology

Abdolhosein Dalimi ^{1 *} , Karaneh Parizadeh ²

1 - Department of Parasitology, Faculty of Medical Sciences, Tarbiat Modares University, P.O.Box:14115-331, Tehran, Iran
2 - None

Received: 2025-02-26 Accepted : 2025-04-20 Published : 2025-06-18

Keywords: Cynogossus bilineatus, helminth parasites, Anisakis, Bandar Abbas,

Abstract :

Studying helminth parasites of the digestive tract of fish can complete our information about parasite distribution, host characteristics, and food safety, especially regarding edible fish in the Persian Gulf. The aim of this study was to investigate helminth parasites in the digestive tract of Cynogossus bilineatus caught off the coast of Bandar Abbas. For this purpose, the digestive tract of 50 C. bilineatus was examined during the summer of 2017 in Bandar Abbas. After procuring the fishes, they were transferred to the laboratory and different parts of their bodies were measured for morphometric study. Then whole digestive tract of the fishes was removed, opened with a small scissor into a dish and the content digestive tract and body cavity searched for the presence of helminth. Finally, the parasites were then stained and identified with the help of reliable sources. The helminthic parasites that were recovered from the digestive tract of the fishes were identified as follows: The trematodes Lepocreadioides zebrini and acanthocephalan Hemiradinorhynchus leuciscus were recovered from C. bilineatus with 10% and 2% infection rate respectively. In addition, cestodes Scolex pleuronectis, Trypanorhyncha larvae, as well as Anisakis sp each with a 2% infection rate were isolated from C. bilineatus.  All these parasites are reported for the first time from C. bilineatus caught from the coasts of the Persian Gulf. The finding of Scolex pleuronectis, Trypanorhyncha larvae, and Anisakis sp. as new records for C. bilineatus highlights the importance of continued parasitological surveys to better understand the biodiversity and ecological relationships within this marine environment.

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