Pathological effects of Peroderma cylindricum (Copepoda : Pennellidae) on the kidneys of its pilchard host, Sardina pilchardus (Osteichthyes : Clupeidae), from Tunisian coasts

Peroderma cylindricum (Heller, 1865) is a pennellid copepod, common on the pilchard Sardina pilchardus (Walbaum, 1792), from the Tunisian coasts. The cephalic area of the parasite displays an important network of cephalic rootlets with dichotomic ramifications inserted mainly into the anterior part...

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Bibliographic Details
Published in:Diseases of aquatic organisms 1997, Vol.28 (1), p.51-59
Main Authors: BECHEIKH, S, ROUSSET, V, MAAMOURI, F, BEN HASSINE, O. K, RAIBAUT, A
Format: Article
Language:English
Subjects:
Biological and medical sciences
Infectious diseases
Marine
Medical sciences
Miscellaneous
Parasitic diseases
Peroderma cylindricum
Sardina pilchardus
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Summary:Peroderma cylindricum (Heller, 1865) is a pennellid copepod, common on the pilchard Sardina pilchardus (Walbaum, 1792), from the Tunisian coasts. The cephalic area of the parasite displays an important network of cephalic rootlets with dichotomic ramifications inserted mainly into the anterior part of the host's kidney. A histological study shows that these formations alter the kidney's structure. This is confirmed by the destruction of excretory structures sometimes leading to the appearance of haematoma. The possible role of these cephalic rootlets is compared with their role in other parasitic crustaceans displaying the same formations. It is probable that the presence of this parasite induces mortality in pilchards, mainly 1 to 2 yr old.
ISSN:0177-5103
1616-1580
DOI:10.3354/dao028051