Grey Reef Sharks Abandon Reefs

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Grey reef sharks

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reef sharks

ScienceDaily

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Sharks are abandoning stressed coral reefs in warming oceans

Summary

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Grey reef sharks are deserting coral reefs at times of environmental stress, such as high temperatures that can lead to coral bleaching events.

The effects on these sharks include lower residency, more widespread and frequent movements to different areas and longer periods of absence entirely.

Effects persisted for extended periods of up to 16 months following extreme stress periods such as the 2015-2016 El Niño event, which caused substantial bleaching in the study region.

The study is outlined in the paper 'Environmental stress reduced shark residency to coral reefs' The papers authors are: Michael Williamson and David Curnick of ZSL; Emma Tebbs of King's College London ; Francesco Ferretti of Virginia Tech; Aaron Carlisle of the University of Delaware ; Taylor Chapple of Oregon State University ; Robert Schallert and Barbara Block of Standford University .