A novel widespread cryptic species and phylogeographic patterns within several giant clam species (Cardiidae: Tridacna) from the Indo-Pacific Ocean.

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dc.citation.issue11
dc.citation.volume8
dc.contributor.authorHuelsken T
dc.contributor.authorKeyse J
dc.contributor.authorLiggins L
dc.contributor.authorPenny S
dc.contributor.authorTreml EA
dc.contributor.authorRiginos C
dc.date.available2013-11-20
dc.date.available2013-10-14
dc.date.issued2013
dc.description.abstractGiant clams (genus Tridacna) are iconic coral reef animals of the Indian and Pacific Oceans, easily recognizable by their massive shells and vibrantly colored mantle tissue. Most Tridacna species are listed by CITES and the IUCN Redlist, as their populations have been extensively harvested and depleted in many regions. Here, we survey Tridacna crocea and Tridacna maxima from the eastern Indian and western Pacific Oceans for mitochondrial (COI and 16S) and nuclear (ITS) sequence variation and consolidate these data with previous published results using phylogenetic analyses. We find deep intraspecific differentiation within both T. crocea and T. maxima. In T. crocea we describe a previously undocumented phylogeographic division to the east of Cenderawasih Bay (northwest New Guinea), whereas for T. maxima the previously described, distinctive lineage of Cenderawasih Bay can be seen to also typify western Pacific populations. Furthermore, we find an undescribed, monophyletic group that is evolutionarily distinct from named Tridacna species at both mitochondrial and nuclear loci. This cryptic taxon is geographically widespread with a range extent that minimally includes much of the central Indo-Pacific region. Our results reinforce the emerging paradigm that cryptic species are common among marine invertebrates, even for conspicuous and culturally significant taxa. Additionally, our results add to identified locations of genetic differentiation across the central Indo-Pacific and highlight how phylogeographic patterns may differ even between closely related and co-distributed species.
dc.description.publication-statusPublished
dc.format.extent? - ? (10)
dc.identifierhttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000327313100119&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=c5bb3b2499afac691c2e3c1a83ef6fef
dc.identifierARTN e80858
dc.identifier.citationPLOS ONE, 2013, 8 (11), pp. ? - ? (10)
dc.identifier.doi10.1371/journal.pone.0080858
dc.identifier.elements-id235506
dc.identifier.harvestedMassey_Dark
dc.identifier.issn1932-6203
dc.languageEnglish
dc.publisherPUBLIC LIBRARY SCIENCE
dc.relation.isPartOfPLOS ONE
dc.rightsCC BY 4.0
dc.subjectScience & Technology
dc.subjectMultidisciplinary Sciences
dc.subjectScience & Technology - Other Topics
dc.subjectMULTIDISCIPLINARY SCIENCES
dc.subjectGENETIC-STRUCTURE
dc.subjectMAXIMA POPULATIONS
dc.subjectCORAL TRIANGLE
dc.subjectGIGAS POPULATIONS
dc.subjectCROCEA
dc.subjectREEFS
dc.subjectSEA
dc.subjectDNA
dc.subjectDIFFERENTIATION
dc.subjectCONNECTIVITY
dc.titleA novel widespread cryptic species and phylogeographic patterns within several giant clam species (Cardiidae: Tridacna) from the Indo-Pacific Ocean.
dc.typeJournal article
pubs.notesNot known
pubs.organisational-group/Massey University
pubs.organisational-group/Massey University/College of Sciences
pubs.organisational-group/Massey University/College of Sciences/School of Natural Sciences
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