Acknowledgements
We especially thank all the local divers and diving clubs, who participated in this work by generously sending their photographs of turtles in Reunion; the monitoring of marine turtles here would not be possible without their participation. We thank B.Mace from AxeDesgn society for his important contribution in the development of the system. We also thank Dr. D. Rowat (Marine conservation Society Seychelles) for his helpful comments on the manuscript. This study was co-supported through the TORSOOI Project by the European Union, which is commetted to Reunion Island through the Fond Europeen pour le developpement et la Recherche, the Reunion Regional Council, and I’Agence Nationale pour la Recherche.