This small symposium will be held May 30-31, 2016 at the Oceanographic Institute (Maison des Océans et de la Biodiversité). Click here for the location in Google Maps. This meeting is part of the 2016 program of Pépinière interdisciplinaire CNRS “Eco-Evo-Devo” hosted at Paris-Sciences-Lettres Research University. The meeting is also supported by a grant from the Partner University Fund (France-America Cultural Exchange) to École Normale Supérieure and the University of Arizona.