Milou Arts¹, Benjamin Mueller², Linda Wegley Kelly³, Craig E Nelson⁴, Irina Koester⁵, Daniel Petras⁵, Ellen C Hopmans⁶, Mark JA Vermeij⁷, Pieter Dorrestein⁸ and Andreas Haas¹, (1)Royal Netherlands Institute for Sea Research, Marine Microbiology & Biogeochemistry, Den Burg, Netherlands, (2)University of Amsterdam, Institute for Biodiversity and Ecosystem Dynamics, Amsterdam, Netherlands, (3)San Diego State University, Department of Biology, San Diego, United States, (4)University of Hawaii at Manoa, HI, United States, (5)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (6)Royal Netherlands Institute for Sea Research, Den Burg, Netherlands, (7)Carmabi Foundation, Netherlands Antilles, (8)University of California San Diego, Collaborative Mass Spectrometry Innovation Center, La Jolla, CA, United States