Colour or no colour in the juvenile shell of the black lip pearl oyster, Pinctada margaritifera?Nolwenn Trinkler, Gilles Le Moullac, Jean-Pierre Cuif, Nathalie Cochennec-Laureau and Yannicke DauphinAquat. Living Resour., 25 1 (2012) 83-91DOI: https://doi.org/10.1051/alr/2012001