#Database_OTU Count Abundance Taxonomy 539866 1 0.2 Bacteria; Proteobacteria; Gammaproteobacteria; Thiotrichales; Piscirickettsiaceae; Piscirickettsiaceae_Group; Unclassified; otu_539866 691190 1 0.3 Bacteria; Proteobacteria; Alphaproteobacteria; Unclassified; otu_691190 368890 1 0.3 Bacteria; Acidobacteria; Acidobacteria; iii1_15; Unclassified; otu_368890 1119166 1 0.2 Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales; Nitrosomonadaceae; Nitrosomonadaceae_Group; Unclassified; otu_1119166