Large predatory coral trout species unlikely to meet increasing energetic demands in a warming ocean
Type
ArticleKAUST Department
Red Sea Research Center (RSRC)Date
2015-09-08Online Publication Date
2015-09-08Print Publication Date
2015-11Permanent link to this record
http://hdl.handle.net/10754/578909
Metadata
Show full item recordAbstract
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 ReportsPublisher
Springer NatureJournal
Scientific ReportsPubMed ID
26345733Additional Links
http://www.nature.com/doifinder/10.1038/srep13830ae974a485f413a2113503eed53cd6c53
10.1038/srep13830
Scopus Count
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