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    Large predatory coral trout species unlikely to meet increasing energetic demands in a warming ocean

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    srep13830.pdf
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    Type
    Article
    Authors
    Johansen, J.L.
    Pratchett, M.S.
    Messmer, V.
    Coker, Darren James cc
    Tobin, A.J.
    Hoey, A.S.
    KAUST Department
    Red Sea Research Center (RSRC)
    Date
    2015-09-08
    Online Publication Date
    2015-09-08
    Print Publication Date
    2015-11
    Permanent link to this record
    http://hdl.handle.net/10754/578909
    
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    Abstract
    Increased ocean temperature due to climate change is raising metabolic demands and energy requirements of marine ectotherms. If productivity of marine systems and fisheries are to persist, individual species must compensate for this demand through increasing energy acquisition or decreasing energy expenditure. Here we reveal that the most important coral reef fishery species in the Indo-west Pacific, the large predatory coral trout Plectropomus leopardus (Serranidae), can behaviourally adjust food intake to maintain body-condition under elevated temperatures, and acclimate over time to consume larger meals. However, these increased energetic demands are unlikely to be met by adequate production at lower trophic levels, as smaller prey species are often the first to decline in response to climate-induced loss of live coral and structural complexity. Consequently, ubiquitous increases in energy consumption due to climate change will increase top-down competition for a dwindling biomass of prey, potentially distorting entire food webs and associated fisheries.
    Citation
    Large predatory coral trout species unlikely to meet increasing energetic demands in a warming ocean 2015, 5:13830 Scientific Reports
    Publisher
    Springer Nature
    Journal
    Scientific Reports
    DOI
    10.1038/srep13830
    PubMed ID
    26345733
    Additional Links
    http://www.nature.com/doifinder/10.1038/srep13830
    ae974a485f413a2113503eed53cd6c53
    10.1038/srep13830
    Scopus Count
    Collections
    Articles; Red Sea Research Center (RSRC)

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