Acknowledgements
We are grateful to Projects Pourquoi Pas les Abysses, Atlas and Total for funding. We would also like to acknowledge the teams and sampling conducted during the cruises of Medwaves (project ref) and MarMine (MarMine Project; No. 247626/O30). We acknowledge Sébastien Ybert & Chantal Cahu for help in managing the project. We thank Miriam Brandt, and Diane Bailleul for their work in the laboratory work and early steps of this study.