Fig. 1

Abundance and community structure of microbiomes in the intestines of Alviniconcha marisindica from the Wocan vent field. Microbial taxonomic structures are deduced from the intestinal and gill metagenomes. The abundance of bacteria in a intestines and b gills are indicated in red colour. The microbial community compositions of intestines are displayed at the phylum and genus levels on the basis of Kaiju classification. c Phylum totalling > 0.3% and d genus totalling > 1% of the samples are shown