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Staging of Atlantic halibut (Hippoglossus hippoglossus L.) from first feeding through metamorphosis, including cranial ossification independent of eye migration

2004-09-30Journal article Restricted
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dc.contributor.authorSæle, Ø.
dc.contributor.authorSolbakken, J. S.
dc.contributor.authorWatanabe, K.
dc.contributor.authorHamre, K.
dc.contributor.authorPower, Deborah
dc.contributor.authorPittman, K.
dc.date.accessioned2014-10-24T13:43:44Z
dc.date.available2014-10-24T13:43:44Z
dc.date.issued2004-09-30
dc.description.abstractTo determine developmental stages independent of eye migration, a highly plastic feature in Atlantic halibut, 180 sibling halibut larvae reared at an average temperature of 11.9 jC from first feeding and for a further 46 days were examined, cleared and stained for ossification and the cranial development was recorded. Morphological development and cranial ossification generally coincided. The order of ossification of cranial structures was: jaw structures, hyoid arch, opercular bones and structures of the neurocranium. The Frontale exhibited torsion correlated with eye migration, but calcification began earlier and full calcification was independent of ocular displacement. The appearance of ossified elements was used to group larvae into Stages 5–9, comprising premetamorphosis to climax metamorphosis, with significant morphometric differences between stages. The trajectory of juvenile development appears fixed by Stage 8. There was a linear relationship between stage and myotome height (R2 = 0.86) and stage and standard length (R2 = 0.80). The stage definitions were validated on two groups (n = 23, n = 101) of commercially produced larvae. Because metamorphosis is protracted in halibut, use of these stages and especially myotome height should help standardize sampling and analysis between experiments and between producers.por
dc.description.sponsorshipThe experiment was carried out under the Norwegian Research Council Strategic Programme: ‘‘Nutrition in larvae and juveniles of Atlantic halibut’’ in cooperation with NIFES and the Institute of Marine Research, Austevoll Aquaculture Research Station in Norway. We are grateful for the generous cooperation of Fiskey Glerargata 34, 600 Akureyri, Iceland, and the EU-funded project ARRDE (Arrested development: The molecular and endocrine basis of flatfish metamorphosis).por
dc.identifier.citationØ. Sæle, J.S. Solbakken, K. Watanabe, K. Hamre, D. Power, K. Pittman, "Staging of Atlantic halibut (Hippoglossus hippoglossus L.) from first feeding through metamorphosis, including cranial ossification independent of eye migration" in Aquaculture 239 (2004) 445–465.por
dc.identifier.doihttp://dx.doi.org/10.1016/j.aquaculture.2004.05.025
dc.identifier.issn0044-8486
dc.identifier.otherAUT: DPO00386
dc.identifier.urihttp://hdl.handle.net/10400.1/5494
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.subjectHalibut larvaepor
dc.subjectStandardized samplingpor
dc.subjectPigmentationpor
dc.subjectEye migrationpor
dc.subjectJuvenilepor
dc.subjectAbnormal developmentpor
dc.subjectMorphometrypor
dc.subjectFlatfishpor
dc.titleStaging of Atlantic halibut (Hippoglossus hippoglossus L.) from first feeding through metamorphosis, including cranial ossification independent of eye migrationpor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage465por
oaire.citation.issue1-4por
oaire.citation.startPage445por
oaire.citation.titleAquaculturepor
oaire.citation.volume239por
person.familyNamePower
person.givenNameDeborah Mary
person.identifier.ciencia-id891A-8A44-3CAE
person.identifier.orcid0000-0003-1366-0246
person.identifier.scopus-author-id7101806760
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublicationc68f5ffb-63f6-4c70-8957-29e464fb59c0
relation.isAuthorOfPublication.latestForDiscoveryc68f5ffb-63f6-4c70-8957-29e464fb59c0

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