Digenean parasite (Ectenurus trachuri) of Bigeye scad (Selar crumeophthalmus) in the Malaysian coastal water

المؤلفون

  • Elshawesh Riad Mohamed

DOI:

https://doi.org/10.36602/jsba.2025.20.88

الكلمات المفتاحية:

Digenea - Hemiuridea، Ectenurus، Selar crumeophthalmus، Malaysian coastal water، South China Sea

الملخص

The hemiurid digenean Ectenurus trachuri Looss, 1907 is a common stomach parasite of the bigeye scad Selar crumenophthalmus and several other marine fishes. Thirty specimens of S. crumenophthalmus were examined for digeneans using standard parasitological techniques under a dissecting microscope. One species, E. trachuri, was identified from the eastern coastal area of Terengganu, Malaysia, facing the South China Sea. This trematode is characterized by an elongate body with a slight bulge around the acetabulum, a smooth tegument lacking spines, and an anteriorly located mouth opening leading to the oral sucker. The ovary is post-testicular, while the testes are pre-ovarian and juxtaposed, differing slightly in size. The vitellaria are post-ovarian, consisting of seven long digitiform lobes. E. trachuri differs from previously described specimens in its overall body size and organ measurements. This study represents the first record of E. trachuri from marine fishes in Malaysian waters, contributing to the knowledge of trematode.

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منشور

2025-12-29

كيفية الاقتباس

Riad Mohamed, E. (2025). Digenean parasite (Ectenurus trachuri) of Bigeye scad (Selar crumeophthalmus) in the Malaysian coastal water. مجلة العلوم الاساسية و التطبيقية, (20), 88–94. https://doi.org/10.36602/jsba.2025.20.88

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