Sophie Arnaud Haond¹, Miriam I Brandt², Blandine Trouche¹, Nicolas Henry³, Ariane Atteia⁴, Julie Poulain⁵, Patrick Wincker⁶, Colomban de Vargas⁷, Matthias Zabel⁸, Frank Wenzhofer⁹, Ronnie N Glud¹⁰ and Daniela Zeppilli¹¹, (1)IFREMER, Plouzané, France, (2)IFREMER, MARBEC, Sète, France, (3)Sorbonne Université, CNRS, Station Biologique de Roscoff, Roscoff, France, (4)CNRS, MARBEC, Sète, France, (5)Genoscope, Evry, France, (6)CEA–Institut de Génomique, GENOSCOPE, Evry, France, France, (7)Station Biologique de Roscoff, Sorbonne Université & CNRS, Roscoff, France, (8)Univ Bremen, Bremen, Germany, (9)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, HGF-MPG Group for Deep Sea Ecology and Technology, Bremerhaven, Germany, (10)University of Southern Denmark, Department of Biology, Odense, Denmark, (11)IFREMER, EEP-LEP, Plouzané, France