Brandon M Stephens¹, Craig A Carlson¹, Daniel Petras², Keri Opalk¹, Lihini Aluwihare², Pieter Dorrestein³, Dennis A Hansell⁴ and Shuting Liu¹, (1)University of California Santa Barbara, Marine Science Institute/Department of Ecology, Evolution and Marine Biology, Santa Barbara, CA, United States, (2)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (3)University of California San Diego, Collaborative Mass Spectrometry Innovation Center, La Jolla, CA, United States, (4)University of Miami, Miami, FL, United States