Biological characteristics of sperm in European flat oyster (Ostrea edulis)Marc Suquet, Stéphane Pouvreau, Isabelle Queau, Myrina Boulais, Jacqueline Le Grand, Dominique Ratiskol and Jacky CossonAquat. Living Resour., 31 (2018) 20DOI: https://doi.org/10.1051/alr/2018008