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Active locomotion by cercariae is a key aspect of the transmission process with the swimming speed potentially contributing to infection success. Individual cercarial species swim at different speeds but the significance of this to infection potential has not been determined. This study, using data from the scientific literature, investigates the role of swimming speed in relation to cercarial morphology, host-searching strategies and target host species. Larger cercariae swim faster than smaller ones with tail length being the principal factor controlling locomotion rates. Different cercarial morphotypes swim at different speeds, in particular, furcocercariae, with the exception of the schistosomes, being faster swimmers than mono-tailed cercariae. Host-searching behaviour has a significant influence on swimming speeds with \u2018active-searching\u2019 strategies swimming slower than those adopting \u2018active-waiting\u2019 or \u2018prey mimcry\u2019 strategies. Vertebrate-infecting cercariae swim faster than those infecting invertebrates with species targeting fish demonstrating the highest locomotion rates and those targeting arthropods the slowest speeds. The adaptions of individual cercarial swimming speeds to biological variables and their interactions with the physical processes of aquatic habitats are discussed.<\/jats:p>","DOI":"10.1017\/s0031182020001171","type":"journal-article","created":{"date-parts":[[2020,7,14]],"date-time":"2020-07-14T02:04:29Z","timestamp":1594692269000},"page":"1369-1374","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":19,"title":["Cercarial swimming performance and its potential role as a key variable of trematode transmission"],"prefix":"10.1017","volume":"147","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4341-5727","authenticated-orcid":false,"given":"Neil J.","family":"Morley","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2020,7,14]]},"reference":[{"key":"S0031182020001171_ref49","first-page":"69","volume-title":"Parasitic Worms and Aquatic Conditions","author":"Zd\u00e1rsk\u00e1","year":"1964"},{"key":"S0031182020001171_ref48","first-page":"249","volume-title":"Ecology of Marine Invertebrate larvae","author":"Young","year":"1995"},{"key":"S0031182020001171_ref47","doi-asserted-by":"publisher","DOI":"10.1017\/S0022149X0001066X"},{"key":"S0031182020001171_ref45","doi-asserted-by":"publisher","DOI":"10.1080\/00034983.1974.11686957"},{"key":"S0031182020001171_ref23","doi-asserted-by":"publisher","DOI":"10.1007\/BF00394107"},{"key":"S0031182020001171_ref24","doi-asserted-by":"publisher","DOI":"10.1007\/s10750-012-1029-9"},{"key":"S0031182020001171_ref4","doi-asserted-by":"publisher","DOI":"10.2307\/3275635"},{"key":"S0031182020001171_ref41","doi-asserted-by":"publisher","DOI":"10.1017\/S0031182000049830"},{"key":"S0031182020001171_ref18","volume-title":"Limnology","author":"Horne","year":"1994"},{"key":"S0031182020001171_ref13","doi-asserted-by":"publisher","DOI":"10.1016\/j.jembe.2015.12.002"},{"key":"S0031182020001171_ref35","doi-asserted-by":"publisher","DOI":"10.1017\/S0031182000064647"},{"key":"S0031182020001171_ref28","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijpara.2019.12.003"},{"key":"S0031182020001171_ref11","first-page":"49","article-title":"Larval trematodes (Digenea) in molluscs from small water bodies near \u010cesk\u00e9 Bud\u011bjovice, Czech Republic","volume":"50","author":"Falt\u00fdnkov\u00e1","year":"2005","journal-title":"Acta Parasitologica"},{"key":"S0031182020001171_ref46","volume-title":"Lake Currents. 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