Validation and efficacy of transgenerational mass marking of otoliths in viviparous fish larvae

Transgenerational mass marking of viviparous fish larvae in vivo was validated by intra‐muscular injection of elemental strontium chloride (SrCl2) in gestating females and detection of the Sr in the otoliths of developing larvae. All otoliths of brown rockfish Sebastes auriculatus larvae produced fr...

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Bibliographic Details
Published inJournal of fish biology Vol. 77; no. 1; pp. 292 - 298
Main Authors Kuroki, M., Buckley, R. M., LeClair, L. L., Hauser, L.
Format Journal Article
LanguageEnglish
Published Oxford, UK Blackwell Publishing Ltd 01.07.2010
Subjects
Animals
Female
Fishes - growth & development
Larva - growth & development
larval dispersal
Marine
otolith microchemistry
Otolithic Membrane - growth & development
rockfish
Sebastes auriculatus
Sr:Ca ratios
Strontium - analysis
tagging
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Summary:Transgenerational mass marking of viviparous fish larvae in vivo was validated by intra‐muscular injection of elemental strontium chloride (SrCl2) in gestating females and detection of the Sr in the otoliths of developing larvae. All otoliths of brown rockfish Sebastes auriculatus larvae produced from SrCl2‐injected females showed enriched Sr:Ca ratios near the otolith edges, and the signatures did not appear to be affected by the anterior, centre and posterior positions of larvae within the ovary. Results from the present study indicate that transgenerational marking is a highly reliable technique for marking large numbers of extremely small viviparous fish larvae.
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ISSN:0022-1112
1095-8649
DOI:10.1111/j.1095-8649.2010.02681.x