Abstract:
:Calcified marine organisms typically experience increased oxidative stress and changes in mineralization in response to ocean acidification and warming conditions. These effects could hinder the potency of animal weapons, such as the mantis shrimp's raptorial appendage. The mechanical properties of this calcified weapon enable extremely powerful punches to be delivered to prey and aggressors. We examined oxidative stress and exoskeleton structure, mineral content, and mechanical properties of the raptorial appendage and the carapace under long-term ocean acidification and warming conditions. The predatory appendage had significantly higher % Mg under ocean acidification conditions, while oxidative stress levels as well as the % Ca and mechanical properties of the appendage remained unchanged. Thus, mantis shrimp tolerate expanded ranges of pH and temperature without experiencing oxidative stress or functional changes to their weapons. Our findings suggest that these powerful predators will not be hindered under future ocean conditions.
journal_name
Sci Repjournal_title
Scientific reportsauthors
deVries MS,Webb SJ,Tu J,Cory E,Morgan V,Sah RL,Deheyn DD,Taylor JRdoi
10.1038/srep38637subject
Has Abstractpub_date
2016-12-15 00:00:00pages
38637issn
2045-2322pii
srep38637journal_volume
6pub_type
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