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Kogiid whales, including the pygmy sperm whale <jats:italic>Kogia breviceps<\/jats:italic>, host an assemblage of specific anisakid species. Currently, three species are known to be specific to kogiid hosts, i.e., <jats:italic>Skrjabinisakis paggiae<\/jats:italic>, <jats:italic>S<\/jats:italic>. <jats:italic>brevispiculata<\/jats:italic>, and the less studied <jats:italic>Pseudoterranova ceticola<\/jats:italic>. The aim of this study was to investigate the species diversity of anisakid nematodes sampled from a pygmy sperm whale stranded in 2013 at the edge of its distribution range in the Northeast Atlantic, specifically in the North of Scotland. Nematodes were assigned to genus level based on morphology and identified by sequence analysis of the mtDNA <jats:italic>cox<\/jats:italic>2 gene and the rDNA ITS region. The present finding represents the first observation of syntopic occurrence of adult stages of <jats:italic>S. brevispiculata<\/jats:italic>, <jats:italic>S. paggiae<\/jats:italic>, and <jats:italic>P. ceticola<\/jats:italic> in a pygmy sperm whale in the Northeast Atlantic, and represent the northernmost record of these species in this area. <jats:italic>Skrjabinisakis brevispiculata<\/jats:italic> was the most abundant species, accounting for 55% of the identified nematodes, predominantly in the adult stage. <jats:italic>Anisakis simplex<\/jats:italic> (s.s.) was also abundant, with most specimens in the preadult stage, followed by <jats:italic>S. paggiae<\/jats:italic> and <jats:italic>P. ceticola.<\/jats:italic> The pygmy sperm whale is rarely documented in Scottish waters, and its occurrence in the area could suggest expansion of its geographic range. The presence of <jats:italic>S. brevispiculata<\/jats:italic>, <jats:italic>S. paggiae<\/jats:italic>, and <jats:italic>P. ceticola<\/jats:italic> in this whale species in this region may indicate a shift in the whole host community involved in the life cycle of these parasites in northern waters. However, it is also plausible that these parasites were acquired while the whale was feeding in more southern regions, before migrating northbound.<\/jats:p>","DOI":"10.1051\/parasite\/2024042","type":"journal-article","created":{"date-parts":[[2024,7,31]],"date-time":"2024-07-31T08:09:49Z","timestamp":1722413389000},"page":"43","source":"Crossref","is-referenced-by-count":10,"title":["Anisakid parasite diversity in a pygmy sperm whale, <i>Kogia breviceps<\/i> (Cetacea: Kogiidae) stranded at the edge of its distribution range in the Northeast Atlantic Ocean"],"prefix":"10.1051","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4599-7724","authenticated-orcid":false,"given":"Paolo","family":"Cipriani","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4576-8892","authenticated-orcid":false,"given":"Marialetizia","family":"Palomba","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lucilla","family":"Giulietti","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Renato","family":"Aco-Alburqueque","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roberta","family":"Andolfi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mariel","family":"ten Doeschate","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew","family":"Brownlow","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicholas J.","family":"Davison","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3881-095X","authenticated-orcid":false,"given":"Simonetta","family":"Mattiucci","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"250","published-online":{"date-parts":[[2024,7,30]]},"reference":[{"key":"R1","doi-asserted-by":"crossref","first-page":"227","DOI":"10.3354\/dao032227","volume":"32","author":"Abollo","year":"1998","journal-title":"Diseases of Aquatic Organisms"},{"key":"R2","doi-asserted-by":"crossref","first-page":"249","DOI":"10.3989\/scimar.2002.66n3249","volume":"66","author":"Abollo","year":"2002","journal-title":"Scientia Marina"},{"key":"R3","doi-asserted-by":"crossref","first-page":"102794","DOI":"10.1016\/j.parint.2023.102794","volume":"97","author":"Bao","year":"2023","journal-title":"Parasitology International"},{"key":"R4","doi-asserted-by":"crossref","first-page":"17695","DOI":"10.1038\/s41598-022-22542-0","volume":"12","author":"Bao","year":"2022","journal-title":"Scientific Reports"},{"key":"R5","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1644\/819.1","volume":"819","author":"Bloodworth","year":"2008","journal-title":"Mammalian Species"},{"key":"R6","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1016\/j.dsr.2018.08.004","volume":"141","author":"Cabrera-Gil","year":"2018","journal-title":"Deep Sea Research Part I: Oceanographic Research Papers"},{"key":"R7","doi-asserted-by":"crossref","first-page":"781","DOI":"10.1007\/s00436-010-2226-y","volume":"108","author":"Cavallero","year":"2011","journal-title":"Parasitology Research"},{"key":"R8","doi-asserted-by":"crossref","first-page":"109021","DOI":"10.1016\/j.ijfoodmicro.2020.109021","volume":"339","author":"Cipriani","year":"2021","journal-title":"International Journal of Food Microbiology"},{"key":"R9","doi-asserted-by":"crossref","first-page":"13664","DOI":"10.1038\/s41598-022-17710-1","volume":"12","author":"Cipriani","year":"2022","journal-title":"Scientific Reports"},{"key":"R10","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1007\/BF00012236","volume":"3","author":"Deardorff","year":"1981","journal-title":"Systematic Parasitology"},{"key":"R11","unstructured":"Desportes G. 1985. 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