{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T23:13:44Z","timestamp":1785798824087,"version":"3.56.0"},"reference-count":49,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2024,11,11]],"date-time":"2024-11-11T00:00:00Z","timestamp":1731283200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001509","name":"Royal Society Te Ap\u0101rangi","doi-asserted-by":"publisher","award":["CSG\u2010UOO2105"],"award-info":[{"award-number":["CSG\u2010UOO2105"]}],"id":[{"id":"10.13039\/501100001509","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Fish Diseases"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p><jats:italic>Anisakis simplex<\/jats:italic> larvae, commonly found in marine fish, cause anisakiasis in humans, resulting in gastric to gastro\u2010allergic symptoms. Despite known health risks, the impact of Anisakidae larvae on fish hosts is less understood. This study aimed to investigate this interaction by assessing the feeding strategy of <jats:styled-content style=\"fixed-case\"><jats:italic>A. simplex<\/jats:italic><\/jats:styled-content>. <jats:italic>Anisakis<\/jats:italic> larvae were isolated from North Sea <jats:styled-content style=\"fixed-case\"><jats:italic>Merluccius merluccius<\/jats:italic><\/jats:styled-content> tissues (stomach, body cavity, liver and muscle) and were analysed for carbon (\u03b4<jats:sup>13<\/jats:sup>C) and nitrogen (\u03b4<jats:sup>15<\/jats:sup>N) isotope values. Significant differences in \u03b4<jats:sup>13<\/jats:sup>C values were found among host tissues, with the liver differing from muscle and stomach tissues. In contrast, no differences were noted for the associated parasites. Additionally, \u03b4<jats:sup>15<\/jats:sup>N values indicated that the host occupied a significantly higher relative trophic position than its parasite. This suggests a lack of direct nutrient transfer from host to parasite, as the parasite would typically exhibit higher stable isotope values than the tissue they feed on. Therefore, <jats:styled-content style=\"fixed-case\"><jats:italic>A. simplex<\/jats:italic><\/jats:styled-content>'s stable isotope values might reflect those of its previous host (crustacean and\/or small fish), providing insights into diet and movement of the paratenic <jats:styled-content style=\"fixed-case\"><jats:italic>M. merluccius<\/jats:italic><\/jats:styled-content> host. Further research is needed to confirm these findings across different fish species and to explore <jats:styled-content style=\"fixed-case\"><jats:italic>A. simplex<\/jats:italic><\/jats:styled-content> as a proxy for trophic ecology.<\/jats:p>","DOI":"10.1111\/jfd.14043","type":"journal-article","created":{"date-parts":[[2024,11,12]],"date-time":"2024-11-12T04:05:00Z","timestamp":1731384300000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Just Hitching a Ride: Stable Isotopes Reveal Non\u2010Feeding Behaviour of <i>Anisakis simplex<\/i> Within Its Host Fish"],"prefix":"10.1111","volume":"48","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1080-8842","authenticated-orcid":false,"given":"Amandine","family":"Sabadel","sequence":"first","affiliation":[{"name":"University of Otago  Dunedin New Zealand"},{"name":"Auckland University of Technology  Auckland New Zealand"},{"name":"National Institute for Water and 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