Andreas Haas¹, William Barnes², Lisa Schellenberg^3,4, Meine Boer², Corina PD Brussaard^1,4, Benjamin Mueller⁵, Linda Wegley Kelly⁶, Craig E Nelson⁷ and Mark J.A. Vermeij⁸, (1)Royal Netherlands Institute for Sea Research, Marine Microbiology & Biogeochemistry, Den Hoorn, Netherlands, (2)Royal Netherlands Institute for Sea Research, Marine Microbiology & Biogeochemistry, Den Burg, Netherlands, (3)Royal Netherlands Institute for Sea Research, Marine Microbiology & Biogeochemistry, Ben Burg, Netherlands, (4)University of Amsterdam, Institute for Biodiversity and Ecosystem Dynamics, Amsterdam, Netherlands, (5)University of Bremen, Bremen, Germany, (6)San Diego State University, Department of Biology, San Diego, United States, (7)University of Hawaii at Manoa, HI, United States, (8)University of Amsterdam, Amsterdam, Netherlands