Acknowledgments
This study was performed according to national Portuguese laws for the use of vertebrates in research and tagging protocols for greater amberjack and school shark were approved by the Azorean Directorate of Sea Affairs of the Azores Autonomous region, which oversees and issues permits for scientific activities in the Monte da Guia Protected Area.
Fish in continental Portugal were captured and tagged under license number 246/2010/CAPT.
We thank H. Rodrigues and Garajau for catching the fish (greater amberjack and school shark), the divers and volunteers who helped with the monitoring stations retrieval, F. Guntnecht and the filming crew. This research was partially funded by the EU LIFE-BIOMARES Project (LIFE06 NAT/P/000192). D.A. acknowledges financial support by the Portuguese Foundation for Science and Technology/Ministry of Education and Science (FCT/MCTES-MEC) through individual grant (SFRH/BPD/95334/2013). Authors would also like to thank the support provided by Myriax through an Eonfusion license. We also thank the anonymous reviewers for their constructive criticism and suggestions that helped to improve the manuscript.
Disclosure statement
No potential conflict of interest was reported by the authors.