About the Authors

Charles W. Martin

cwm301@jaguar1.usouthal.edu

Affiliations Dauphin Island Sea Lab, Dauphin Island, Alabama, United States of America, Department of Marine Science, University of South Alabama, Mobile, Alabama, United States of America

Marla M. Valentine

Affiliation Dauphin Island Sea Lab, Dauphin Island, Alabama, United States of America

John F. Valentine

Affiliations Dauphin Island Sea Lab, Dauphin Island, Alabama, United States of America, Department of Marine Science, University of South Alabama, Mobile, Alabama, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CWM MV JV. Performed the experiments: CWM MV JV. Analyzed the data: CWM MV JV. Contributed reagents/materials/analysis tools: CWM JV. Wrote the paper: CWM MV JV.