Global assessment of molecularly identified Anisakis Dujardin, 1845 (Nematoda: Anisakidae) in their teleost intermediate hosts
2013
Kuhn, T., Goethe-University, Frankfurt/Main (Germany). Biodiversity and Climate Research Centre | Hailer, F., Senckenberg Gesellschaft fuer Naturforschung, Frankfurt/Main (Germany). Biodiversity and Climate Research Centre | Palm, H.W., University Rostock (Germany). Aquaculture and Sea-Ranching | Klimpel, S., Goethe-University, Frankfurt/Main (Germany). Biodiversity and Climate Research Centre
Here, we present the ITS ribosomal DNA (rDNA) sequence data on 330 larvae of nematodes of the genus Anisakis collected from 26 different bony fish species from 21 sampling locations and different climatic zones. New host records are provided for Anisakis simplex sensu stricto (s.s.) and A. pegreffii from Anoplopoma fimbria (Santa Barbara, East Pacific), A. typica from Caesio cuning, Lepturacanthus savala and Katsuwonus pelamis (Indonesia, West Pacific), A. simplex s.s. from Cololabis saira (Hawaii, Central Pacific), A. simplex from Sebastolobus alascanus (Santa Barbara, East Pacific) and A. physeteris from Synaphobranchus kaupii (Namibia, East Atlantic). Comparison with host records from 60 previous molecular studies of Anisakis species reveals the teleost host range so far recorded for the genus. Perciform (57 species) and gadiform (21) fishes were the most frequently infected orders, followed by pleuronectiforms (15) and scorpaeniforms (15). Most commonly infected fish families were Scombridae (12), Gadidae (10), Carangidae (8) and Clupeidae (7), with Merluccius merluccius alone harbouring eight Anisakis species. Different intermediate host compositions implicate differing life cycles for the so far molecularly identified Anisakis sibling species.
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