Morphological Re-description of Camallanus polypteri (Nematoda: Camallanidae) Infecting the African Sharptooth Catfish Clarias gariepinus (Clariidae)
محل انتشار: مجله آرشیو رازی، دوره: 76، شماره: 2
سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 47
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شناسه ملی سند علمی:
JR_ARCHRAZI-76-2_013
تاریخ نمایه سازی: 6 دی 1402
چکیده مقاله:
Fish represents one of the major sources of animal proteins, and different species of fish are susceptible to infections with parasites which cause severe tissue damage and cell destruction of the infected organ. Therefore, in ۲۰۱۹, this parasitological study was conducted to assess the helminth parasites infecting the African sharptooth catfish Clarias gariepinus that were collected from Lake Manzala, Egypt. Only nematode parasite was reported as a prevalent infection from the fish stomach with an infection rate of ۷.۵%. Depending on the seasonal prevalence, the extent of the infection was analyzed. It was indicated that parasite infection was only reported as ۱۵% in the winter season. Morphological and morphometric analyses of the present parasite species revealed that it possesses all the characteristics of the Camallanus genus, whereas it is closely related to Camallanus polypteri described previously. It is characterized by the presence of a buccal capsule with longitudinal internal ridges, some of which are very short and ranged from ۸-۱۴ in males and ۸-۹ in females. The esophagus consisted of muscular and glandular portions, the middle position of the excretory pore to the muscular esophagus, the anterior location of deirids to the nerve ring, posterior end of males with two unequal spicules and caudal papillae; nonetheless, it is smooth and straight in females. In addition, some morphology and measurement differences for the different body parts were identified with other Camallanus species. Therefore, the present study can provide a full morphologically re-description of Camallanus polypteri with a new geographical location in the Egyptian freshwater.
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نویسندگان
R Abdel-Gaber
Zoology Department, Faculty of Science, Cairo University, Cairo, Egypt
S Maher
Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Heliopolis, Egypt
R Abdel-Gaber
Zoology Department, Faculty of Science, Cairo University, Cairo, Egypt
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