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    Two decades of genetic profiling yields first evidence of natal philopatry and long-term fidelity to parturition sites in sharks

    249597.pdf (459.4Kb)
    Access Status
    Open access
    Authors
    Feldheim, K.
    Gruber, S.
    Di Battista, Joseph
    Babcock, E.
    Kessel, S.
    Hendry, A.
    Pikitch, E.
    Ashley, M.
    Chapman, D.
    Date
    2014
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Feldheim, K. and Gruber, S. and Di Battista, J. and Babcock, E. and Kessel, S. and Hendry, A. and Pikitch, E. et al. 2014. Two decades of genetic profiling yields first evidence of natal philopatry and long-term fidelity to parturition sites in sharks. Molecular Ecology. 23 (1): pp. 110-117.
    Source Title
    Molecular Ecology
    DOI
    10.1111/mec.12583
    ISSN
    0962-1083
    School
    Department of Environment and Agriculture
    URI
    http://hdl.handle.net/20.500.11937/49830
    Collection
    • Curtin Research Publications
    Abstract

    Sharks are a globally threatened group of marine fishes that often breed in their natal region of origin. There has even been speculation that female sharks return to their exact birthplace to breed ('natal philopatry'), which would have important conservation implications. Genetic profiling of lemon sharks (Negaprion brevirostris) from 20 consecutive cohorts (1993-2012) at Bimini, Bahamas, showed that certain females faithfully gave birth at this site for nearly two decades. At least six females born in the 1993-1997 cohorts returned to give birth 14-17 years later, providing the first direct evidence of natal philopatry in the chondrichthyans. Long-term fidelity to specific nursery sites coupled with natal philopatry highlights the merits of emerging spatial and local conservation efforts for these threatened predators. © 2013 John Wiley & Sons Ltd.

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