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    Otolith geochemistry does not reflect dispersal history of clownfish larvae

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    Type
    Article
    Authors
    Berumen, Michael L. cc
    Walsh, Harvey J.
    Raventós, Nuria
    Planes, Serge
    Jones, Geoffrey P.
    Starczak, Victoria R.
    Thorrold, Simon R. cc
    KAUST Department
    Red Sea Research Center (RSRC)
    Biological and Environmental Sciences and Engineering (BESE) Division
    Marine Science Program
    Reef Ecology Lab
    Date
    2010-07-01
    Online Publication Date
    2010-07-01
    Print Publication Date
    2010-12
    Permanent link to this record
    http://hdl.handle.net/10754/561571
    
    Metadata
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    Abstract
    Natural geochemical signatures in calcified structures are commonly employed to retrospectively estimate dispersal pathways of larval fish and invertebrates. However, the accuracy of the approach is generally untested due to the absence of individuals with known dispersal histories. We used genetic parentage analysis (genotyping) to divide 110 new recruits of the orange clownfish, Amphiprion percula, from Kimbe Island, Papua New Guinea, into two groups: "self-recruiters" spawned by parents on Kimbe Island and "immigrants" that had dispersed from distant reefs (>10 km away). Analysis of daily increments in sagittal otoliths found no significant difference in PLDs or otolith growth rates between self-recruiting and immigrant larvae. We also quantified otolith Sr/Ca and Ba/Ca ratios during the larval phase using laser ablation inductively coupled plasma mass spectrometry. Again, we found no significant differences in larval profiles of either element between self-recruits and immigrants. Our results highlight the need for caution when interpreting otolith dispersal histories based on natural geochemical tags in the absence of water chemistry data or known-origin larvae with which to test the discriminatory ability of natural tags. © 2010 Springer-Verlag.
    Citation
    Berumen, M. L., Walsh, H. J., Raventos, N., Planes, S., Jones, G. P., Starczak, V., & Thorrold, S. R. (2010). Otolith geochemistry does not reflect dispersal history of clownfish larvae. Coral Reefs, 29(4), 883–891. doi:10.1007/s00338-010-0652-z
    Sponsors
    The crew of the M. V. FeBrina and the staff of the Mahonia Na Dari research station provided invaluable logistic support. Discussions with M. Meekan, D. Hogan, and D. Heath, as well as comments from P. Munday and two anonymous reviewers greatly improved the manuscript. Field assistance was provided by C. Hervet, V. Messmer, M. Srinivasan, and C. Syms. The Mahonia Na Dari Research and Conservation Centre, Walindi Plantation Resort, The Nature Conservancy, and the crew of M. V. FeBrina provided essential logistic support. We acknowledge the traditional owners for allowing us access to their reefs. Research was supported by the Australian Research Council, the Coral Reef Initiatives for the Pacific (CRISP), the Global Environmental Facility CRTR Connectivity Working Group, the Total Foundation, a National Science Foundation grant (# 0424688) to SRT, and a National Science Foundation Graduate Research Fellowship to MLB. The authors declare that they have no conflict of interest.
    Publisher
    Springer Nature
    Journal
    Coral Reefs
    DOI
    10.1007/s00338-010-0652-z
    ae974a485f413a2113503eed53cd6c53
    10.1007/s00338-010-0652-z
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Red Sea Research Center (RSRC); Marine Science Program

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