About the Authors

Brandon M. Casper

bcasper@umd.edu

Affiliation Department of Biology, Center for Comparative and Evolutionary Biology of Hearing University of Maryland, College Park, Maryland, United States of America

Arthur N. Popper

Affiliation Department of Biology, Center for Comparative and Evolutionary Biology of Hearing University of Maryland, College Park, Maryland, United States of America

Frazer Matthews

Affiliation Department of Biology, Center for Comparative and Evolutionary Biology of Hearing University of Maryland, College Park, Maryland, United States of America

Thomas J. Carlson

Affiliation Pacific National Northwest Laboratory, Marine Sciences Laboratory, Sequim, Washington, United States of America

Michele B. Halvorsen

Affiliation Pacific National Northwest Laboratory, Marine Sciences Laboratory, Sequim, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BMC ANP FM TJC MBH. Performed the experiments: BMC FM. Analyzed the data: BMC ANP FM TJC MBH. Contributed reagents/materials/analysis tools: TJC. Wrote the paper: BMC ANP TJC MBH.