Prevalence of Anguillicoloides crassus (Nematoda, Dracunculoidea) in wild European eels (Anguilla anguilla L.) from Mar Menor lagoon (Western Mediterranean, Spain)

Anguillicoloides crassus infection in wild European eels (Anguilla anguilla) from Mar Menor, a hypersaline coastal lagoon situated on the shores of the Mediterranean in south-east Spain, was evaluated. As well, an artificial digestion is described for the detection, isolation and counting of larval stages in the swimbladder wall. A total of 109 eels were collected between November 2008 and March 2009 and adult worms were recovered from the swimbladders of infected eels. The detected prevalence was 7.34%. Second-stage larvae (L2) numbers ranged from one to thousands per swimbladder. This developmental stage was the most prevalent parasite stage detected in infected eels. L2 were even found in eels harbouring neither pre-adult nor adult nematodes, which could indicate that infected eels are chronically infected. The lack of a suitable intermediate host for this nematode or the recent introduction of A. crassus into this environment could be the causes of the low prevalence of this parasite in eels from Mar Menor lagoon.

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Martinez-Carrasco C. Ruiz De Ybanez R. Penalver J. Mayo-Hernandez E. Garcia-Ayala A. y Munoz P. Prevalence of Anguillicoloides crassus (Nematoda Dracunculoidea) in wild European eels (Anguilla anguilla L.) from Mar Menor lagoon (Western Mediterranean Spain). Ecole Nationale Veterinaire, 2011.

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Tipo de recurso Artículo
Fecha de creación 05-11-2024
Fecha de última modificación 05-11-2024
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Identificador de los metadatos c5f3604f-a0c4-503a-a1c4-0e8c08d84ff8
Idioma de los metadatos Español
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Categoría del conjunto de alto valor (HVD) Observación de la Tierra y medio ambiente
Categoría temática ISO 19115 biota
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Nombre del autor Martinez-Carrasco, C., Ruiz De Ybanez, R., Penalver, J., Mayo-Hernandez, E., Garcia-Ayala, A. y Munoz, P.
Nombre del editor Ecole Nationale Veterinaire
Identificador alternativo ISSN: 00351555
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