Funding for this research was provided by:
National Science Foundation (1330800, 1323809)
Received: 18 December 2019
Accepted: 15 April 2020
First Online: 13 June 2020
Ethics approval and consent to participate
: Collection of thresher and leopard shark samples was done under <b>s</b>tate permits obtained by the NOAA Southwest Fisheries division, and animal handling was performed under IACUC permit APF #14-05-011D. Whale shark samples were collected under permits SGPA/DGVS/03362/12 and SGPA/DGVS/03079/13.
: The authors declare no conflict of interest.