{"refrec":{"BRefID":233528,"RR":"<b>Svendsen, F.M.; Byrkjedal, I.</b> (2013). Morphological and molecular variation in <i>Synaphobranchus</i> eels (Anguilliformes: Synaphobranchidae) of the Mid-Atlantic Ridge in relation to species diagnostics. <i>Mar. Biodiv. 43(4)</i>: 407-420. <a href=\"https://dx.doi.org/10.1007/s12526-013-0168-1\" target=\"_blank\">https://dx.doi.org/10.1007/s12526-013-0168-1</a>","BEntID":225213,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Mar. Biodiv. 43(4)</i>: 407-420. <a href=\"https://dx.doi.org/10.1007/s12526-013-0168-1\" target=\"_blank\">https://dx.doi.org/10.1007/s12526-013-0168-1</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Svendsen, F.M.; Byrkjedal, I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Svendsen, F.M.; Byrkjedal, I.","Englishabstract":"<em class=\"a-plus-plus\">Synaphobranchus</em> eels are difficult to identify at species level. Previous taxonomic studies show several inconsistencies concerning the diagnostic characters of <em class=\"a-plus-plus\">Synaphobranchus kaupii</em> Johnson, 1862 and <em class=\"a-plus-plus\">Synaphobranchus affinis</em> Günther, 1877. One hundred and eleven specimens from the Mid-Atlantic Ridge and a type specimen of <em class=\"a-plus-plus\">S</em>. <em class=\"a-plus-plus\">affinis</em> were examined morphologically, and the DNA barcode region of the mitochondrial COI gene was sequenced from 58 of these specimens. The results of this examination showed an ontogenetic change in most morphometric characters and that most of the previously used diagnostic characters—namely, dorsal fin origin in relation to the vent, predorsal length, scale shape and pattern, and dentition—cannot distinguish between the species <em class=\"a-plus-plus\">S</em>. <em class=\"a-plus-plus\">kaupii</em> and <em class=\"a-plus-plus\">S</em>. <em class=\"a-plus-plus\">affinis</em>. The type specimen of <em class=\"a-plus-plus\">S</em>. <em class=\"a-plus-plus\">affinis</em> may represent a member of a species that closely resembles <em class=\"a-plus-plus\">S</em>. <em class=\"a-plus-plus\">kaupii</em> morphologically, separable by having a lower number of vertebrae, dorsal fin rays, and anal fin rays.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Morphological and molecular variation in <i>Synaphobranchus</i> eels (Anguilliformes: Synaphobranchidae) of the Mid-Atlantic Ridge in relation to species diagnostics","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-15 01:32:37.767911","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Cutthroat eels; Species diagnostics","OtherDescriptors":null,"Notes":null,"AnaPub":2013,"MonPub":null,"DateUpdate":"2020-06-30","DateCreate":"2014-02-12","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000325820500014","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s12526-013-0168-1"},"refs":null,"anarec":{"AnaID":233528,"PubliDate":2013,"Pagination":"407-420","XtraPublOfAnaID":null,"ISBN":null,"Volume":"43","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":141757,"SerRR":"Marine Biodiversity. Springer: Heidelberg; Berlin.  ISSN 1867-1616; e-ISSN 1867-1624","StandardTitleSer":"Marine Biodiversity","ISSN":"1867-1616","AbbrevSer":"Mar. 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