{"refrec":{"BRefID":328518,"RR":"<b>Hadfield, K.A.; Smit, N.J.</b> (2020). Review of the global distribution and hosts of the economically important fish parasitic isopod genus <i>Ceratothoa</i> (Isopoda: Cymothoidae), including the description of <i>Ceratothoa springbok</i> n. sp. from South Africa. <i>Int. J. Parasitol. 50(10-11)</i>: 899-919. <a href=\"https://dx.doi.org/10.1016/j.ijpara.2020.07.001\" target=\"_blank\">https://dx.doi.org/10.1016/j.ijpara.2020.07.001</a>","BEntID":321995,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Int. J. Parasitol. 50(10-11)</i>: 899-919. <a href=\"https://dx.doi.org/10.1016/j.ijpara.2020.07.001\" target=\"_blank\">https://dx.doi.org/10.1016/j.ijpara.2020.07.001</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Hadfield, K.A.; Smit, N.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Hadfield, K.A.; Smit, N.J.","Englishabstract":"Fish parasites from the isopod family Cymothoidae have, in recent years, received increased global attention due to both their ecological and economic importance. This is particularly true for the buccal inhabiting genus <em>Ceratothoa</em> Dana, 1852, whose members have been implicated in negatively impacting the health of both farmed and wild-caught fishes. As research on this group increases, so does our understanding of their host specificity and distribution. The aims of this paper were thus to review the current distribution and host records of <em>Ceratothoa</em> and describe a new species, <em>Ceratothoa springbok</em> n. sp. from South Africa. Including the new species described here, there are currently 25 accepted <em>Ceratothoa</em> spp. known from eight of the 12 marine biogeographical realms of the world. The majority of Cymothoidae species are known to occur in the tropical realms, whereas our analyses show that the greatest diversity of <em>Ceratothoa</em> spp. can be found in temperate realms. These results indicate the possibility that <em>Ceratothoa</em> is more diverse in temperate regions. This review also highlights the low diversity of <em>Ceratothoa</em> from the oceans around both North and South America. Current records indicate that species of <em>Ceratothoa</em> parasitise 108 fish species in 76 genera and 41 families. Eleven <em>Ceratothoa</em> spp. demonstrate host specificity up to host genus or family level. Amongst the hosts, members of the Sparidae are parasitised by 13 species of <em>Ceratothoa</em>, making it the host family with the highest diversity of parasites from this genus. The new species, <em>C. springbok</em> n. sp., also parasitises a sparid and was found in the buccal cavity of the carpenter seabream, <em>Argyrozona argyrozona</em>. This new species, the largest of all recorded <em>Ceratothoa</em> (up to 65&nbsp;mm) and amongst the largest of all Cymothoidae, is characterised by its truncate and ventrally folded frontal margin, pereonite 1 with medial indentations, the wide anterolateral margins of pereonite 1 with an inwardly produced point, and a well-developed carina on the basis of pereopod 7. A key to the southern African <em>Ceratothoa</em> is provided.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Review of the global distribution and hosts of the economically important fish parasitic isopod genus <i>Ceratothoa</i> (Isopoda: Cymothoidae), including the description of <i>Ceratothoa springbok</i> n. sp. from South Africa","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-03 01:31:49.725686","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Marine fish parasite; Buccal cavity; Taxonomy; Morphology; Biodiversity; Host specificity","OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2020-09-07","DateCreate":"2020-09-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000569377200004","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.ijpara.2020.07.001"},"refs":null,"anarec":{"AnaID":328518,"PubliDate":2020,"Pagination":"899-919","XtraPublOfAnaID":null,"ISBN":null,"Volume":"50","Issue":"10-11","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43156,"SerRR":"International journal for parasitology. 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