Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/72740
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dc.contributor.authorDoubleday, Z.en
dc.contributor.authorWhite, J.en
dc.contributor.authorPecl, G.en
dc.contributor.authorSemmens, J.en
dc.date.issued2011en
dc.identifier.citationICES Journal of Marine Science, 2011; 68(10):2059-2063en
dc.identifier.issn1054-3139en
dc.identifier.issn1095-9289en
dc.identifier.urihttp://hdl.handle.net/2440/72740-
dc.description.abstractStylet increment analysis (SIA) is a method recently developed to age octopuses; it involves the enumeration of daily growth increments within stylets (an internal shell). To examine the potential of SIA in a merobenthic octopus species, SIA was applied to Macroctopus maorum collected from southeast Australia and New Zealand (n = 147). The stylets had clear concentric growth increments and a core-like region. However, low increment counts (≤224 d) produced non-feasibly high (≤21.7% body weight per day) instantaneous growth rates, based on the assumption that increment number relates to age (d). In the light of these results, the issues surrounding the application of SIA to merobenthic octopuses is discussed, particularly in relation to the lack of understanding in regard to stylet development in the early life history stages and the importance of validating age at first increment formation.en
dc.description.statementofresponsibilityZoë A. Doubleday, Jimmy White, Gretta T. Pecl, and Jayson M. Semmensen
dc.language.isoenen
dc.publisherOxford Journalsen
dc.rights© 2011 International Council for the Exploration of the Sea.en
dc.subjectage determination; merobenthic; octopus; stylet increment analysis (SIA).en
dc.titleAge determination in merobenthic octopuses using stylet increment analysis: assessing future challenges using Macroctopus maorum as a modelen
dc.typeJournal articleen
dc.identifier.rmid0030000834en
dc.identifier.doi10.1093/icesjms/fsr135en
dc.relation.granthttp://purl.org/au-research/grants/arc/C00107233en
dc.identifier.pubid64840-
pubs.library.collectionEarth and Environmental Sciences publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Earth and Environmental Sciences publications
Environment Institute publications

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