Funding for this research was provided by:
Gulf of Mexico Research Initiative
Save Our Seas Foundation
Text and Data Mining valid from 2018-02-13
Received: 24 September 2017
Revised: 1 December 2017
Accepted: 14 January 2018
First Online: 13 February 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed by the authors.
: All necessary permits for sampling and observational field studies have been obtained by the authors from the competent authorities and are mentioned in the acknowledgements, if applicable.