From egg to hatchling: preferential retention of fatty acid biomarkers in young-of-the-year Port Jackson sharks Heterodontus portusjacksoni

Crystal Beckmann, James Mitchell, Laurent Seuront, David Stone, Charles Huveneers

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    The muscle and liver fatty acid composition of young-of-the-year (YOY) Port Jackson sharks Heterodontus portusjacksoni were investigated to determine the effects of a known dietary lipid source v. maternal input as demonstrated by egg yolk fatty acid profiles. Ten Heterodontus portusjacksoni egg yolks were collected in situ and compared with four hatched H. portusjacksoni fed a known diet in a controlled feeding experiment of 185 days. This study demonstrated that fatty acids are probably conservatively transferred from egg yolks to YOY H. portusjacksoni, while diet did not have a large effect on the fatty acid composition of the liver or muscle.

    Original languageEnglish
    Pages (from-to)944-952
    Number of pages9
    JournalJournal of Fish Biology
    Volume85
    Issue numberin press
    DOIs
    Publication statusE-pub ahead of print - 2014

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