Fig. 4

Heatmap showing the abundance of dominant OTUs (≥ 400 sequences reads). Abbreviations represent the sample sites for S. diversicolor in marine lakes in Berau: Kakaban lake (BrK), Haji Buang lake (BrM), Tanah Bamban lake (BrT); Papua: Marine lake K (PaK), Marine lake M (PaM); and in open sea habitat: Taiwan (Tw). Significantly discriminating OTUs (P < 0.01) identified using Simper are in bold