Anisakidae in the English Channel and the North Sea: review of the literature, gap identification and preliminary data

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Cappelletti, Alice | Duflot, Maureen | Bourgau, Odile | Couvreur, Clemence | Cordier, Rémi | Gay, Mélanie | Cresson, Pierre

Edité par CCSD -

International audience. Parasitic nematodes from the Anisakidae family are very common in commercially and ecologically important fish species. Their life cycle involves zooplanctonic crustaceans, fish and/or cephalopods and marine mammals or piscivorous birds. Many distribution studies have been published but are often scattered and specific for one or a few species. Comparison is thus tricky, considering differences in methods, aims and species. On another hand, the fishing grounds covered by the English Channel and the North Sea are a crucial area for the fishing economy and industry in Europe. Valuable data are thus requested by stakeholders to assess and manage sanitary hazards. Moreover, from an ecological perspective, considering their wide distribution and potentially high infestation levels, the influence of Anisakidae on the marine ecosystem is to be considered for food web studies. Within AniMode project, aimed at describing the ecology of Anisakidae in the English Channel and North Sea, the the present study reviewed the literature available on the distribution and diversity of Anisakidae in this area. Specific research strings were designed for PubMed, Google Scholar and Scopus including the type of studies, the geographical area, the parasites and the hosts (fishes, crustaceans and marine mamals). Major conclusions confirmed the scattered results and the difficulty to compare outcomes of different protocols. Surprisingly, infestation levels in species of major economic and/or ecological interest (i.e. cephalopods, zooplankton-feeding fish, or flatfish) were missing or old. Preliminary data on plaice obtained during this project will begin filling this gap.Acknowledgments: AniMode project was funded by the Hauts-de-France Regional Council. AC is a PhD candidate, within the IHOP project, funded by the ANSES and IFSEA.

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