About the Authors

Tobey H. Curtis

Tobey.Curtis@noaa.gov

Affiliation National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Greater Atlantic Regional Fisheries Office, Gloucester, Massachusetts, United States of America

Camilla T. McCandless

Affiliation National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northeast Fisheries Science Center, Narragansett, Rhode Island, United States of America

John K. Carlson

Affiliation National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Southeast Fisheries Science Center, Panama City, Florida, United States of America

Gregory B. Skomal

Affiliation Massachusetts Division of Marine Fisheries, New Bedford, Massachusetts, United States of America

Nancy E. Kohler

Affiliation National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northeast Fisheries Science Center, Narragansett, Rhode Island, United States of America

Lisa J. Natanson

Affiliation National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northeast Fisheries Science Center, Narragansett, Rhode Island, United States of America

George H. Burgess

Affiliation Florida Program for Shark Research, Florida Museum of Natural History, University of Florida, Gainesville, Florida, United States of America

John J. Hoey

Affiliation National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northeast Fisheries Science Center, Narragansett, Rhode Island, United States of America

Harold L. Pratt Jr

Affiliations National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northeast Fisheries Science Center, Narragansett, Rhode Island, United States of America, Mote Marine Laboratory, Summerland Key, Florida, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: THC CTM JKC GBS. Performed the experiments: THC CTM JKC NEK. Analyzed the data: THC CTM JKC GBS NEK. Contributed reagents/materials/analysis tools: THC CTM GBS NEK LJN GHB JJH HLP. Wrote the paper: THC CTM JKC. Provided intellectual and editorial comments: THC CTM JKC GBS NEK LJN HLP.